几何
三角形、圆、解析几何与证明题。
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24. what are the slopes of parallel & perpendicular lines? parallel lin…
Parallel lines have equal slopes. Perpendicular lines have negative reciprocal slopes (or slopes whose product is - 1).
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write an equation that says that the length of the green line is equal …
### Part 1: Writing the Equation # Explanation: ## Step1: Identify lengths Green line length: $3$, Black line length: $13$, Blue line length: $d$. ## Step2: Translate the relation…
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isosceles triangles key terms isosceles triangle (eye•sahs•uh•leez) a t…
1. a. Always true: An equilateral triangle (3 congruent sides) is always equiangular. b. Sometimes true: An isosceles triangle only needs 2 congruent sides, so it is only equilate…
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write an equation that says that the length of the green line is equal …
### Part 1: Writing the Equation # Explanation: ## Step1: Identify lengths Green line length: \( 3 \), Black line length: \( 13 \), Blue line length: \( d \). ## Step2: Translate …
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grayson drew a scale drawing of the high school. he used the scale 4 ce…
\(\frac{1}{125}\)
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devon drew a scale drawing of an apartment. a rug by the door, which is…
\(\frac{1}{36}\)
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what is the area of this figure? 6 yd 8 yd 7 yd 20 yd 7 yd 6 yd 5 yd 19…
# Explanation: ## Step1: Divide the figure into three rectangles We can split the composite figure into three rectangles. The bottom rectangle has length 19 yd and height 5 yd. Th…
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dave made a scale drawing of a city. the scale of the drawing was 5 inc…
$\frac{5}{36}$
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what is the area of this figure? 10 mm 2 mm 4 mm 9 mm 7 mm 6 mm square …
\(62\)
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dave made a scale drawing of a city. the scale of the drawing was 5 inc…
$\frac{5}{36}$
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question 2 of 2 select the correct answer from each drop - down menu. c…
1. First blank: Conjectures 2. Second blank: not been 3. Third blank: Postulates (If the options for the blanks are as follows: first drop - down: Conjectures; second drop - down:…
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question 2 of 2 select the correct answer from each drop - down menu. c…
First blank: not been Second blank: Postulates (For the second drop-down, the correct option is "Postulates" as postulates are defined as statements taken to be true without proof…
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doug measured a city park and made a scale drawing. the scale of the dr…
$\frac{3}{100}$
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question 2 of 2 select the correct answer from each drop - down menu. c…
First blank: not been Second blank: are statements
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jake drew a scale drawing of a house. he used the scale 1 inch = 1 foot…
$\frac{1}{12}$
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martina made a scale drawing of a house. in real life, the living room …
\(\frac{1}{200}\)
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keith measured a house and made a scale drawing. the dining room is 9 m…
\(\frac{3}{2000}\)
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write an equation that says that the length of the green line is equal …
Equation: \( 4 = 9 - p \) \( p = 5 \)
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bob measured a house and its lot and made a scale drawing. he used the …
$\frac{1}{500}$
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which of the following could be the measures of the sides of a right tr…
C) 8, 15, 17
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samuel measured a diner and made a scale drawing. the scale he used was…
$\frac{1}{12}$
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select the correct answer. given: line l and line m intersect prove: di…
B. 3. \( \angle3 \) is supplementary to \( \angle2 \)
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isosceles triangles find the values of the variables for each triangle.…
1. $a=60$, $b=10$ 2. $x=40$, $y=100$ 3. $d=61$, $c=54$ 4. $x=45$, $y=4$ 5. $a=60$, $b=68$ 6. $x=140$, $y=140$ 7. $a=78$, $b=78$ 8. $x=45$, $y=30$ 9. $a=52$, $b=64$ 10. $x=90$, $a=…
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4 select the correct answer. given: ( ad = cf ) ( bc = de ) image of a …
C. Subtraction Property of Equality
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what is the area of this figure? 13 m 3 m 6 m 9 m 6 m 7 m square meters
\(81\)
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julie’s proof statements 1. ( mangle abc = 90^circ ) 2. ( mangle abd = …
Samuel used an indirect proof (proof by contradiction) because he assumed the opposite of the conclusion, derived a contradiction, and thus proved the original statement.
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point $q$ is the image of $q(-7, -6)$ under the translation $(x, y) \\t…
$(5, 2)$
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what is the area of this figure? 2 mi 9 mi 14 mi 2 mi 3 mi 2 mi 2 mi 6 …
42
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given: ( mangle abd = 25^circ ) prove: ( mangle cbd = 65^circ ) julie’s…
Samuel used an indirect proof.
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select the correct answer. a diagram of angles 1, 2, and 3 is shown. gi…
D. \(m\angle3 = 126^{\circ}\)
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given: \\(\\angle aom \\cong \\angle don\\) prove: \\(\\angle con \\con…
B. \( \angle AOM \cong \angle BOM \) because they are both congruent to the same angle, not because they are vertical angles.
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plot the image of point q under the translation ((x, y) \to (x + 1, y +…
The image of point $Q$ is at $(-3, 6)$ (plot this point on the grid: 3 units left of the y-axis, 6 units above the x-axis)
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point $p$ is the image of $p(5, -5)$ under a translation by 2 units to …
$(3, 0)$
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plot the image of point q under the translation ((x, y) \to (x - 3, y +…
The image of point $Q$ is at $(0, 3)$ (plot this point on the grid at the intersection of $x=0$ and $y=3$).
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the sides of a triangle are 61, 39, and 97. use the pythagorean theorem…
The triangle is **obtuse** because the square of the largest side **is greater than** the sum of the squares of the other two sides.
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given g is the incenter of triangle abc choose the correct lengths and …
$m\angle GCF = 31^\circ$ $m\angle CGF = 59^\circ$ $m\angle DAG = 38^\circ$ $m\angle BGD = 69^\circ$ $m\angle DBG = 21^\circ$ $m\angle BGE = 69^\circ$ $DA \approx 8.1$
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select the correct answer from each drop - down menu. what is the diffe…
without requiring proof
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point $p$ is the image of $p(-2, -2)$ under a translation by 1 unit to …
$(-3, -5)$
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point $q$ is the image of $q(-7, -6)$ under the translation $(x, y) \\t…
$(5, 2)$
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select the correct answer from each drop - down menu. an axiom in eucli…
four
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write an equation that says that the length of the green line is equal …
Equation: \( 2m + 1 = 7 \) \( m = 3 \)
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lations & translations graph the given rotation. write the coordinates …
--- 1. Rotation 180° Clockwise $A(-4, 0)$ $B(4, -8)$ $A'(4, 0)$ $B'(-4, 8)$ 2. Rotation 180° Counterclockwise $X(-6, 6)$ $Y(-2, 1)$ $X'(6, -6)$ $Y'(2, -1)$ 3. Rotation 270° Clockw…
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select the correct answer from each drop - down menu. according to eucl…
do not lie
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select the correct answer from each drop - down menu. according to eucl…
three
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write an equation that says that the length of the green line is equal …
Equation: \( s + 5 = 18 \) \( s = 13 \)
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18. a rectangle has a length of 8 cm and a width of 5 cm. if the dimens…
D. \( 360 \, \text{cm}^2 \) ### Question 19
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17. aiden is making a model of the lincoln memorial. the height of his …
B. 50 in
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annexes, tableaux et aide - mémoires annexes 3. calculez la surface en …
3. $25$ pi² 4. $52$ pi 5. $112$ pi² 6. $47.40$ m² (rounded to two decimal places)
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1) write an equation that says that the length of the green line is equ…
\( s + 5 = 18 \) ### Part 2: Solve for \( s \)
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while reading chapter three name while reading chapter 3, you will come…
To solve this, we analyze each quotation from *Lord of the Flies* by exploring their meaning, themes, characterization, and suspense - building aspects: ### Quotation 1: "Jack him…
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example 3 $overline{vr}$, $overline{vz}$, and $overline{zr}$ are midseg…
5. $50$ 6. $57^\circ$ 7. $1.35$ 8. $60^\circ$ 9. $\frac{28}{45} \approx 0.62$ km
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write the coordinates of the vertices after a dilation with a scale fac…
\( B'(-1, - 3) \), \( C'(-1, 2) \), \( D'(3, - 3) \)
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write the coordinates of the vertices after a dilation with a scale fac…
\( Q'(-6, -8) \), \( R'(-2, -8) \), \( S'(0, 10) \)
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u is the incenter of \\(\\triangle ghy\\). find \\(m\\angle ugm\\).
\( 28^\circ \)
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write an equation that says that the length of the green line is equal …
Equation: \( 6 = 14 - u \) \( u = 8 \)
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write the coordinates of the vertices after a dilation with a scale fac…
\( T'(-9, 3) \) \( U'(0, 3) \) \( V'(0, 6) \) \( W'(-9, 6) \)
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a is the incenter of $\\triangle pqr$. find $au$.
\( 20 \)
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write the coordinates of the vertices after a dilation with a scale fac…
\( D'(-8, -4) \), \( E'(8, -4) \), \( F'(-8, 4) \)
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jason is standing 100 feet from the base of a flag pole. he is looking …
The height of the flagpole is $\frac{100\sqrt{3}}{3} + 5.5$ feet, or approximately 63.24 feet.
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write an equation that says that the length of the green line is equal …
\( u = 8 \)
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which statement is not one of the axioms of euclidean geometry? select …
If three points lie on the same line, there is only one plane that can pass through them.
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write an equation that says that the length of the green line is equal …
The equation is \( 10 = h - 2 \), and after combining like terms (solving for \( h \)) we get \( h = 12 \). But the equation expressing the relationship is \( \boldsymbol{10 = h -…
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practice example 1 use the figure at the right. 1. if ab = 6, bc = 4, a…
1. $ED = 6$ 2. $AE = 15$ 3. $\overline{NR}$ is not parallel to $\overline{PQ}$, because the segment ratios are not equal. 4. $\overline{NR}$ is not parallel to $\overline{PQ}$, be…
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select the correct answer. based on the construction shown, what is the…
B. Set the compass width to be where the arc intersects lines EC and EB.
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select the correct answer. which best describes a step in the process o…
D. Fold the paper such that point A and point B coincide with one another.
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what contribution to the field of geometry was made by rene descartes i…
He developed \boxed{analytical geometry} which involves \boxed{a coordinate system}
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$\\overleftrightarrow{pq}$ is constructed by making arcs centered at a …
A. $PQ = AB$
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what contribution to the field of geometry was made by rene descartes i…
The contribution to the field of geometry made by René Descartes in the 17th century was the development of **analytical geometry**, which involves relating algebraic equations to…
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write the coordinates of the vertices after a dilation with a scale fac…
\( D'(0, -10) \) \( E'(6, -8) \) \( F'(0, 4) \) \( G'(-6, -8) \)
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what was the name of the treatise in which euclid compiled all the exis…
The Elements
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graph the given reflection. write the coordinates of the pre - image an…
### Question 9: $A(-4, 8)$ $B(2, 6)$ $A'(-4, -8)$ $B'(2, -6)$ ### Question 10: $X(-2, 8)$ $Y(2, -4)$ $X'(2, 8)$ $Y'(-2, -4)$ ### Question 11: $A(-2, 5)$ $A'(5, -2)$ $B(-1, 1)$ $B'…
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vwxyz ~ ghdef. find wx and ef. write your answers as decimals or whole …
\( WX = 14 \) \( EF = 6 \)
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graph the given reflection. write the coordinates of the image. 7. c (-…
7. $C' = (-1, -3)$ 8. $D' = (-2, 4)$
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3. point s’ is the image of s under a reflection across the y = -x. fin…
1. Coordinates of $S'$: $(-21, 3)$ 2. Coordinates of $B'$: $(12, 8)$
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3. point s’ is the image of s under a reflection across the y = -x. fin…
1. Coordinates of $S'$: $(-21, 3)$ 2. Coordinates of $B'$: $(12, 8)$ *(Note: Questions 4 and 6 are incomplete, so only solvable questions 3 and 5 are answered above)*
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select the correct answer given: ∠woa ≅ ∠aoz prove: ∠boy ≅ ∠xob since (…
B. \(\angle BOY \cong \angle XOB\)
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jonathan is planning to use a fountain (f) that is located at the cente…
D. The distance from F to G is equal to the distance from F to B
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what are the coordinates of point s? the coordinates of point s are (-5…
\((-10, 6)\)
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find the coordinate of the image. 1. point r is the image of r under a …
$(16, 27)$
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fghij ~ tuvrs. what are ( mangle f ), ( mangle r ), and ( mangle u )? (…
\(m\angle F=\boxed{100}\)° \(m\angle R=\boxed{90}\)° \(m\angle U=\boxed{117}\)°
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part 1 label the angles acute (a), right (r), obtuse (o) or reflex they…
### Part 1: Labeling Angles of Quadrilaterals #### 2) Parallelogram - **Acute**: 2 (opposite acute angles in a parallelogram). - **Obtuse**: 2 (opposite obtuse angles, supplementa…
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complete the sentence. the intersection of two squares can be ______. t…
two points
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type the correct answer in the box. use numerals instead of words. if n…
8
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use the map above to answer the following questions. the coordinates ar…
1. 10 miles 2. triangle 3. 10 miles 4. parallelogram 5. 10 miles 6. 14 miles
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complete the sentence. two squares can intersect in ______. a triangle …
B. a point
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complete the sentence. two regular pentagons can intersect in _______. …
C. two points
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complete the sentence. a square and a triangle can intersect in ______.…
a point
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plot the point $(-3, 5)$ and identify the quadrant. click on the graph …
To plot the point \((-3, 5)\): Start at the origin \((0,0)\), move 3 units to the left (because \(x = - 3\)) along the \(x\)-axis, then move 5 units up (because \(y=5\)) along the…
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complete the sentence. a ray and a line can intersect in. one point two…
one point
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the locations above represents four friends houses in their neighborhoo…
From Rob's house to the Jan's house: 3 miles From Rebekah's house to Jan's house: 2 miles Total blocks Rob traveled: 80 blocks
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complete the sentence. a ray can intersect a regular hexagon in ______.…
a line segment
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complete the sentence. three circles can intersect in ______. a point a…
a triangle
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complete the sentence. two line segments can intersect in ______. a lin…
one point
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complete the sentence. the intersection of two regular pentagons can be…
a line segment
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point r is located at (4, -5) on the coordinate plane. point r is refle…
\((-4,-5)\)
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select the correct answer given statements: if a shape is a parallelogr…
D. A rhombus has opposite angles congruent
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complete the sentence. the intersection of a regular pentagon and a lin…
D. two points
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point k is located at (-2, -5) on the coordinate plane. point k is refl…
\((2,5)\)
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complete the sentence. a ray can intersect a square in ______. options:…
a line segment
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what are the coordinates of point j?
\((8, 4)\)