几何
三角形、圆、解析几何与证明题。
-
let right triangle acb have c = 90°, and let sides a, b, and c be oppos…
13
-
rotate the figure 180° clockwise about the origin. then decide if each …
The final angle measures are smaller than the original angle measures: False If two sides are parallel in the original figure, then those sides are parallel in the final figure: T…
-
an isosceles triangle is a triangle in which two sides are equal in len…
$50^{\circ}$
-
hw 1.3.2 angle bisectors and perpendicular lines m<b = 72° 60° 54° 90°
$60^{\circ}$ (assuming the value is given as correct in the provided options without a proper match to the standard perpendicular - angle relationship setup in the diagram)
-
find the y - intercept and the x - intercept of the line below. click o…
(a) y - intercept: 3 (b) x - intercept: 2
-
the perimeter of an equilateral triangle is 6 inches more than the peri…
10 inches
-
functions and lines finding x - and y - intercepts given the graph of a…
(a) x - intercept: -4 (b) y - intercept: 2
-
2.1 score: 4/14 answered: 4/14 question 5 0/1 pt 3 details an equilater…
$60^{\circ}$
-
1) graph the image of trapezoid jklm after a dilation with a scale fact…
Graph the trapezoid with vertices $(1,-2)$, $(1,1)$, $(2,2)$, $(2,0)$ on the same coordinate - grid as the original trapezoid.
-
8. the image point of a after a translation right 4 units and up 3 unit…
\((-5,5)\) ### 9.
-
use the given figure to answer the following. (the figure drawn to scal…
$55$
-
the width of the rectangle is equal to the greatest common monomial fac…
Width: \(4x^{2}\) Length: \(2x^{3}+3x + 5\)
-
graph the image of parallelogram qrst after a dilation with a scale fac…
Graph the parallelogram with vertices \((-10,-10)\), \((0,-10)\), \((10,0)\) and \((0,0)\) on the given coordinate - grid.
-
choose the poem that uses onomatopoeia. now sweet and clear, and faint …
The first poem: Now sweet and clear, and faint and low, The airy tinklings come and go, Like chimings from some far - off tower, Or patterings of an April shower.
-
5. triangle abc is similar to triangle def. triangle abc has vertices a…
Translate △ABC 1 unit to the right and 5 units down to map it onto △DEF.
-
let t represent an angle with a measure such that 0° < t < 90°. indicat…
Acute or Obtuse? Acute Complement: $90 - t$ Supplement: $180 - t$
-
graph the image of square defg after a dilation with a scale factor of …
Graph the square with vertices D'(-10, -10), E'(10, -10), F'(10, 10), G'(-10, 10) on the given coordinate - grid.
-
what does the metaphor in this text suggest? conscience is a mans compa…
Your conscience guides you to act the right way.
-
graph the image of trapezoid klmn after a dilation with a scale factor …
Plot the points \(K'(-2,-2)\), \(L'(-2,2.25)\), \(M'(1,1)\), \(N'(1,-2)\) and connect them.
-
indicate whether the angle below is acute, obtuse, or neither. then fin…
Acute or Obtuse? Obtuse Complement: None Supplement: 35°
-
for items 4 and 5, use the information to answer each question. 4. tria…
First, dilate $\triangle PQR$ by a scale factor of 2 centered at the origin, and then translate the dilated triangle to match the position of $\triangle TUV$.
-
indicate whether the angle below is acute, obtuse, or neither. then fin…
Acute or Obtuse? Obtuse Complement: None Supplement: $30^{\circ}$
-
6. the image point of a after a translation left 1 unit and down 1 unit…
$(1,-6)$
-
the scale drawing is of a community center. 1 in.: 8 ft. kitchen, dinin…
24 ft
-
what is the angle measure?
70°
-
graph the image of square jklm after a dilation with a scale factor of …
Graph the square with vertices $(-2,-2)$, $(2,-2)$, $(2,2)$, $(-2,2)$.
-
graph the image of kite abcd after a dilation with a scale factor of 5,…
Graph the kite with vertices $A'(0,-10)$, $B'(10,0)$, $C'(0,10)$, $D'(-10,0)$.
-
14. patricia drew this pattern in her notebook. a. describe the pattern…
A large triangle (draw a large triangle similar to the ones in the pattern)
-
rotations graph the image of the figure using the transformation given.…
Since this is a problem about graph - ing the image of a figure after rotation transformation, the general steps for each rotation are as follows (taking a point \((x,y)\) in the …
-
graph the image of lstu after a dilation with a scale factor of 2, cent…
Graph the triangle with vertices \((-10,10)\), \((12,10)\) and \((-10,2)\) on the given coordinate - grid.
-
for items 2 and 3, use the coordinate plane to answer each question. 2.…
2. Triangle B is similar to triangle A. 3. First, rotate triangle A 180° about the origin, then translate the rotated triangle to get triangle B.
-
3 fill in the blank 1 point the angle addition postulate states that if…
measure of angle AVC + measure of angle CVB - measure of angle AVB
-
parallelogram stuv is a translation of parallelogram stuv. write the tr…
\((x,y)\to(x + 12,y + 4)\)
-
graph the image of △stu after a dilation with a scale factor of 2, cent…
Graph the points \(S'(-12,10)\), \(T'(12,10)\) and \(U'(-12,2)\) and connect them to get the dilated triangle.
-
what is the actual area of the trampoline? actual height = 10 ft, actua…
$40$ ft²
-
graph the image of △abc after a dilation with a scale factor of 4, cent…
Graph $\triangle A'B'C'$ with $A'(-8,8)$, $B'(8,8)$ and $C'(-8,4)$ on the given coordinate - plane.
-
for items 2 and 3, use the coordinate plane to answer each question. 2.…
2. Triangle B is similar to triangle A. 3. First, translate triangle A down 5 units. Then, reflect the translated triangle over the y - axis to map it to triangle B.
-
2 fill in the blank 1 point the segment addition postulate states that …
AC + CB = AB
-
13. clarence drew this pattern. a. describe the pattern you see in this…
A single semi - circle (description of the answer as it's not possible to actually draw in this text format)
-
area of triangle = 1/2bh. what are the actual base and height of the tr…
Actual base = 10 ft, Actual height = 8 ft
-
graph the image of △klm after a dilation with a scale factor of 3, cent…
Graph the triangle with vertices \(K'(-9,0)\), \(L'(-9,9)\), \(M'(6,-6)\) on the given coordinate - plane.
-
(x, y) → ( , ) submit
\((x,y)\to(x + 9,y + 5)\)
-
value: 3 find the slope between the two points. then identify the line …
Slope between the two points: \(-\frac{1}{3}\); Line with perpendicular slope: b. \(y = 3x - 2\)
-
lesson 2-6 lesson quiz for item 1, use the coordinate plane to answer t…
A dilation followed by a translation.
-
of 7 submit work it out not feeling ready yet? these can help: (x, y) →…
\((x,y)\to(x + 4,y + 8)\)
-
write the rules of each transformation. label the pre - image and image.
For the left - hand side transformation (hexagon): Pre - image: Dashed hexagon. Image: Solid hexagon. Rule: (x,y)→(x,y - 5) For the right - hand side transformation (triangle): Pr…
-
explain how rays ab and ac form both a line and an angle.
Rays AB and AC share a common endpoint A. They extend in opposite directions from A, which makes them form a line. Also, as two rays with a common endpoint, they form an angle (a …
-
write the rules of each transformation. label the pre - image and image.
Without specific coordinates or clear - cut details about the nature of the transformation (translation, rotation, reflection, dilation), a full - fledged answer cannot be provide…
-
fill in the blank 6 points match the term with the definition. term ans…
1. midpoint 2. angle 3. point 4. vertex 5. line segment 6. angle bisector 7. ray
-
(x, y) → ( , ) submit
$(x + 3,y + 11)$
-
4 from unit 1, lesson 11 select all the points that stay in the same lo…
# Explanation: ## Paso 1: Comprender la reflexión Los puntos que se encuentran en la línea de reflexión no cambian de ubicación al ser reflexionados sobre esa línea. ## Paso 2: Id…
-
(x, y) → ( , ) submit
\((x + 9,y + 11)\)
-
square stuv is a translation of square stuv. write the translation rule…
\((x,y)\to(x + 10,y + 4)\)
-
what are the actual base and height of the trampoline? actual base =? f…
Actual base = 12 ft, Actual height = 10 ft
-
1. what prism or other 3 - dimensional shape would you use to model the…
The 3 - dimensional shape to model the tree trunk is a cylinder and its volume is approximately $91.8$ cubic feet.
-
2 draw the image of quadrilateral abcd when translated by the directed …
# Explicación: ## Paso 1: Comprender la definición de traducción Una traducción es una transformación isométrica que mueve todos los puntos de una figura en la misma dirección y p…
-
create a histogram for the following data set: how many jobs have you h…
1. **For creating a histogram**: - **Explanation**: - **Step1: Determine data - range and bins** - First, we need to collect data on the number of jobs people have had in their li…
-
match the model with the original expression containing parentheses and…
- Rectangle with sides \(4\) and \((6x + 2)\) matches with \(4(6x + 2)\) and \(24x + 8\). - Rectangle with sides \(2\) and \((9x - 4)\) matches with \(2(9x - 4)\) and \(18x - 8\).…
-
what is the formula for finding the area of a triangle? a = 2bh a = ((b…
$A=\frac{1}{2}bh$
-
which geometric figures are drawn on the diagram? check all that apply.…
$\overline{CA}$, $\overrightarrow{CA}$, $\odot C$, $\overrightarrow{BE}$, $\angle BCE$
-
what is the actual area of the trampoline? 8 ft², 24 ft², 36 ft², 72 ft…
72 ft²
-
lesson 12 practice problems 1 match each directed line segment with the…
1. Translation 1 - D 2. Translation 2 - B 3. Translation 3 - C 4. Translation 4 - A
-
contrasting parallel and perpendicular lines the definition of parallel…
Parallel lines do not intersect. Parallel lines must be coplanar. Perpendicular lines intersect at one point. Perpendicular lines intersect so plane is not required in the definit…
-
what number can you multiply each length in the scale - drawing by to f…
Actual length = 12 ft Actual width = 6 ft What number can you multiply each length in the scale drawing by to find the actual length? The answer is 3.
-
rotate the figure 90° counterclockwise about the origin. then decide if…
The final side lengths are shorter than the original side lengths: False The final angle measures are smaller than the original angle measures: False The original figure and the f…
-
now - finally - it was time to swim in the pacific ocean. antonia sprin…
s may vary. For example, the part where everyone suddenly panicked and swam to the beach could be confusing. One could figure it out by reading further to find out the cause (the …
-
1. what is the image point of (-8,9) after a translation right 3 units …
2. $(5,6)$ 3. $(-1,7)$ 4. $(4,0)$
-
what number can you multiply each length in the scale drawing by to fin…
3
-
for each figure below, determine the order of rotational symmetry and t…
6. Order of rotational symmetry: 2; Angles of rotation: $180^{\circ}$ 7. Order of rotational symmetry: infinite; Angles of rotation: Any non - negative angle $\theta$ where $0^{\c…
-
suddenly, a woman near antonia screamed. in an instant, the people arou…
1. B. Antonia's experiences at the beach 2. B. avoid the squids 3. Warn swimmers about the squids 4. Because the lifeguard said they are probably not dangerous but one should keep…
-
what is the actual length of the picnic area trail? what number can you…
The actual length of the picnic - area trail is $4.5\ km$. The number you can multiply each distance in the scale drawing by to find the actual distance is $0.5\ km/cm$.
-
graph the following inequality on the number line. $xgeq - 5$
On the number line, place a closed - circle at -5 and draw an arrow to the right.
-
rotate the figure 90° clockwise about the origin. then decide if each s…
The final angle measures are smaller than the original angle measures: False If two sides are parallel in the original figure, then those sides are parallel in the final figure: T…
-
name the shape below, and then tell its order of rotational symmetry.
Shape: Parallelogram; Order of rotational symmetry: 2
-
11. write a series of if - then statements that allow you to find the m…
If $\angle FLG$ is as shown, then $m\angle FLG = 90^{\circ}$ because they are right angles. If $\angle ILH=38^{\circ}$, then $m\angle KLJ = 52^{\circ}$ because they are complement…
-
write/circle the subject complement in each sentence. if you would like…
8. Subject: India; Linking Verb: was 9. Subject: The Hope family; Linking Verb: was 10. Subject: The Smithsonian Institution; Linking Verb: is 11. Subject: The stone; Linking Verb…
-
which statements are true regarding the diagram? check all that apply. …
$\overline{CB}$ is contained on line $x$; $\angle EAD$ is created from $\overrightarrow{AE}$ and $\overrightarrow{AD}$; $\angle ECB$ is created from $\overrightarrow{CE}$ and $\ov…
-
a rectangular prism has a length of 5 cm, a width of 3 cm, and a height…
$16$ cm
-
craig has 72 feet of material to build a fence around a rectangular flo…
11 yards
-
applying undefined terms in definitions the undefined terms line and pl…
parallel lines
-
kala wants to measure the height of a tree. she sights the top of the t…
$18.97$
-
draw a shape that has between three and four lines. the shape should ha…
Draw an equilateral triangle and mark one of its lines of symmetry with a dotted line.
-
planes x and y intersect at a right - angle. (overrightarrow{ab}) and (…
$\overleftrightarrow{AB}$ and $\overleftrightarrow{CG}$ are parallel, $\overleftrightarrow{CG}$ and $\overleftrightarrow{RS}$ are perpendicular, $\overleftrightarrow{CG}$ lies in …
-
3. a square has coordinates m(1, -2), a(-4, -2), t(-4, 3), h(1, 3). if …
$M'(1,-4),A'(-4,-4),T'(-4,-9),H'(1,-9)$ ### 4.
-
the measure of m∠jml is 85°. select all the true statements. a. m∠jmk =…
C. $m\angle JMK = 50^{\circ}$ D. $m\angle KML = 35^{\circ}$ E. $m\angle JMK + m\angle KML=m\angle JML$
-
from unit 1, lesson 10 4 here are four original triangles that have eac…
# Explicación: ## Paso 1: Recordar la definición de transformación rígida Una transformación rígida preserva longitudes y ángulos. Translaciones, rotaciones y reflexiones son tran…
-
rotate the figure 270° clockwise about the origin. then decide if each …
If two sides are parallel in the original figure, then those sides may not be parallel in the final figure: False The final side lengths are the same as the original side lengths:…
-
7th - subject and subject complement homework write/circle the subject …
1. Henry Philip Hope 2. A rich woman 3. The precious stone 4. Harry Winston, a New York diamond merchant 5. The merchant 6. The Hope Diamond 7. Many tourists
-
complete the proof that m∠uvx + m∠qsr = 180°. statement reason 1 uw || …
2. Reason: Alternate Interior Angles Theorem 3. Reason: Linear Pair Postulate 4. Reason: Substitution Property of Equality
-
8. an angle is acute when its measure is greater than 0° and less than …
An angle is acute if and only if its measure is greater than 0° and less than 90°.
-
what number can you multiply each length on the map by to find the actu…
The actual distance from the campsite to the general store is 1.5 mi.
-
part b. explain your answer using the definitions you have learned. the…
1. right - angle symbol 2. (any of the angles listed: $\angle PRL$, $\angle JRP$, $\angle JRL$) 3. right angle
-
question 8 (01.03 mc) the perimeter of a rectangle can be found using t…
No, if the length is 20 and the width is 11, the perimeter is $P=40 + 22=62$, not 64.
-
figure b is a transformation of figure a. how can you describe the tran…
Slide
-
what number can you multiply each length on the map by to find the actu…
$\frac{1}{2}$
-
part b. explain your answer using the definitions you have learned. bec…
1. $\overline{JR}\cong\overline{RK}$ 2. $\overline{JK}$ 3. $\overline{MP}$ 4. $\overline{JK}$ 5. segment bisector
-
which picture shows a translation? look for a picture where you can sli…
The first picture
-
which picture shows a translation?
The bottom - right picture shows a translation as the two shoes have the same orientation and shape, just shifted horizontally.
-
a change in the location, direction, or size of a figure is called a tr…
5, up
-
question 8 (1 point) using the following diagram, identify an angle tha…
Supplementary Angles: $\angle5$ Vertical Angles: $\angle7$ Linear Pair: $\angle5$ Adjacent Angles: $\angle1$ or $\angle3$