几何
三角形、圆、解析几何与证明题。
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triangle proofs statements reasons pn is a perpendicular bisector of ln…
1. $PL = PN$; 2. $\angle{PLQ}=\angle{PNQ}=90^{\circ}$; 3. $PQ = PQ$; 4. $\triangle{PLQ}\cong\triangle{PNQ}$
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quiz 1 which of the following topics is emphasized in the article, but …
1. B. the idea that Islamic patterns are derived from Greek geometric principles 2. C. No. "It's a non - issue. Human beings like beautiful things. I want to engage with people an…
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les in the triangle from smallest to largest. n 25 18 l 20 source targe…
$\angle M,\angle N,\angle L$
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if △abc and △xyz are congruent, select the three statements that must b…
A. \(\overline{ZX}\cong\overline{AC}\)
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match the correct angle with its properties. vertical angles same - sid…
- Vertical Angles: Congruent - Same - Side Interior Angles: Supplementary - Alternate Interior Angles: Congruent - Corresponding Angles: Congruent
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if △abc and △xyz are congruent, select the three statements that must b…
A. $\overline{ZX}\cong\overline{AC}$
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triangle proofs complete the proof above by ordering the reasons below:…
1. Alternate - interior angles; 2. Opposite sides of parallelogram; 3. Definition of mid - point; 4. Side - Angle - Side (SAS)
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for the right triangle shown, a = 7 and b = 24. what is the value of c?
25
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in this figure, line m is parallel to line n. what is the value of w? 1…
170
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the area of a square is 121 square centimeters. what is the side length…
A. 11
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triangle proofs complete the proof that △waz≅△yxb by ordering the state…
$\overline{WZ}\parallel\overline{XY}$, $\angle WZA\cong\angle YXB$, $\overline{WZ}\cong\overline{XY}$, $\triangle WAZ\cong\triangle YXB$
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the area of a triangle is 108 square centimeters. the base of the trian…
18
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show your thinking aas sas sss hl
AAS
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19) find the value of x. 20) 21) 22)
19) \(x = 25\) 20) \(x = 59\) 21) \(x=\frac{68}{3}\) 22) \(x = 38\)
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solve for x.
$x = 19$
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8. $overline{rs}: r(2, - 1)$ and $s(6, - 5)$ translation: along $langle…
The new coordinates of $R$ are $(-1,3)$ and the new coordinates of $S$ are $(-5,-1)$
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the area of a triangle is 108 square centimeters. the base of the trian…
D. 18
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13) 35° b 14) 29° b 15) 243° 94° b 16) 49° b 17) 90° b 18) 73° 90° b
$145^{\circ}$ 14)
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triangle proofs which theorem proves the given triangles congruent? asa…
HL
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9) find the measure of angle b. 10) 11) 12)
9) $130^{\circ}$ 10) $43^{\circ}$ 11) $55^{\circ}$ 12) $27^{\circ}$
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2.1 math talk: which are congruent? each pair of figures is congruent. …
$\triangle ABC ot\cong\triangle FED$, $PZJM ot\cong LYXB$, $\triangle JKL ot\cong\triangle QRS$, $ABCDE ot\cong PQRST$
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find the measure of the indicated angle. just type numerical answer. no…
32
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sas sss hl
HL
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question 1 of 20 what is the sum of the interior angles of a regular he…
D. 720°
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3. what do you notice about angles that are across from each other? 4. …
3. Angles across from each other (vertically - opposite angles) are equal. 4. Angles next to each other (adjacent angles) that form a straight line are supplementary (sum to 180 d…
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angle pair relationships name the relationship: complementary, linear p…
1. Vertical 2. Adjacent 3. Adjacent 4. Complementary 5. Vertical 6. Adjacent 7. Linear pair 8. Vertical
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each pair of figures is congruent. decide whether each congruence state…
$\triangle ABC\cong\triangle FED$ is false. $PZJM\cong LYXB$ is false. $\triangle JKL\cong\triangle QRS$ is false. $ABCDE\cong PQRST$ is false.
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9x + 2 > 47 16. graph the inequality. previous 2 of 2 show your work * …
The solution of the inequality is $x>5$. To graph it, draw an open - circle at 5 on the number line and shade the region to the right of 5.
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explore & reason it then statements show a cause and effect. the table …
1. No es siempre cierto. 2. Siempre cierto. 3. No es siempre cierto. 4. Siempre cierto. 5. No es cierto.
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find the measure of the angle indicated. just type numerical answer. no…
101
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lines x and y are parallel. which of the following represents the relat…
\(m\angle b + m\angle e = 180\)
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16. the midpoint of $overline{ab}$ is $m(2,6)$. if the coordinates of $…
$2\sqrt{53}$
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directions: circle the letter of the best meaning for the underlined wo…
1. c. Talkative 2. b. gentle 3. a. excess 4. a. native 5. c. 1000 years 6. b. fear of foreigners 7. c. changes
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15. the midpoint of $overline{ab}$ is $m(-1,3)$. if the coordinates of …
$2\sqrt{41}$
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14. find the distance between the two points in simplest radical form. …
$\sqrt{106}$
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13. find the distance between the two points in simplest radical form. …
$\sqrt{97}$
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1. in the space below, use a straightedge to draw two intersecting line…
\(x = 142^{\circ}\), \(y = 142^{\circ}\), \(z = 38^{\circ}\)
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12. find the distance between the two points in simplest radical form. …
$4\sqrt{5}$
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explore & reason if - then statements show a cause and effect. the tabl…
# Explicación breve: 1. **Si está lloviendo, entonces es primavera**: No es siempre cierto. La lluvia puede ocurrir en otras estaciones. No es una relación causa - efecto necesari…
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11. find the distance between the two points in simplest radical form.
\(\sqrt{100}\) (or \(10\) if full - simplification is allowed)
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10. graph a right triangle with the points (-7, -2) and (-5, -9) and fi…
Leg 1: 2 Leg 2: 7 Hypotenuse: $\sqrt{53}$
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9. graph a right triangle with the points (3,3) and (8, - 9) forming th…
Leg 1: 5 Leg 2: 12 Hypotenuse: 13
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7. the midpoint of $overline{ab}$ is $m(-2, -5)$. if the coordinates of…
$(-5,-2)$
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25. the formula c = πd can be used to find the circumference of a circl…
$d=\frac{C}{\pi}$
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solve for x: vertical angles 2x + 48 5x + 9
$x = 13$
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7. the midpoint of $overline{ab}$ is $m(-2, -5)$. if the coordinates of…
For the first problem (finding B given mid - point and A): $(-5,-2)$ For the second problem (distance between $(3,3)$ and $(8,-9)$): $13$ For the third problem (distance between $…
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if xz = 15, find yz.
$8$
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the length of a rectangle is 3 more than triple the width. if the perim…
The width of the rectangle is 14 and the length is 45.
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talk: which are congruent? each pair of figures is congruent. decide wh…
$\triangle ABC\cong\triangle FED$ is True; $PZJM\cong LYXB$ is True; $\triangle JKL\cong\triangle QRS$ is True; $ABCDE\cong PQRST$ is True.
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1. find the midpoint of points a(-8, -4) and b(-1, 4) graphically: (a) …
1. **For points \(A(-8,-4)\) and \(B(-1,4)\)**: - The mid - point formula for two points \((x_1,y_1)\) and \((x_2,y_2)\) is \((\frac{x_1 + x_2}{2},\frac{y_1 + y_2}{2})\). - **Step…
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complex sentences #2 directions: write \dependent clause\ under the dep…
1. Independent Clause: The mailman wouldn't deliver our mail Dependent Clause: after my dog bit him in the leg (subordinating conjunction: after) 2. Independent Clause: we decided…
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the graph of g is a translation 2 units left of the graph of f. identif…
The correct pair of graphs is the one where the graph labeled \(g\) is the graph labeled \(f\) shifted 2 units to the left. Without specific labels on the given options in the ima…
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below are side lengths of triangles. which triangle cannot exist based …
C. 2 in, 4 in, 8 in
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perimeter the perimeter of stephanies triangle is half the perimeter of…
\((5 + 8 + 12)/2\)
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find the area of the shape. (sides meet at right angles.)
20
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find the area of the shape. (sides meet at right angles.) 5 in 3 in 4 i…
17
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find the area of the shape. (sides meet at right angles.)
30 square yards
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in the diagram, point h is the in - center, measure angle eac is 62 and…
\(31^{\circ}\)
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given: ∠1 and ∠2 are supplements, ∠3 and ∠4 are supplements, and ∠1 = ∠…
$\angle2=\angle3$
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determine if the given side lengths would create a triangle. choose yes…
A. Yes, form a triangle. B. No, do not form a triangle. C. No, do not form a triangle. D. Yes, form a triangle.
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find the area of the shape. (sides meet at right angles.) square millim…
14
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read the passage: there are several questions about this passage. from …
3. to emphasize that a fascination with astronomy is a basic and universal aspect of human existence
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find the area of the shape. (sides meet at right angles.)
22 square feet
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10. find the measure of ∠1. justify your answer. m∠1 = 75 because corre…
D. $m\angle1 = 75$ because corresponding angles of parallel lines are congruent.
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9. use the figure to decide the type of angle pair that describes ∠5 an…
alternate exterior angles
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8. use the figure to decide the type of angle - pair that describes ∠3 …
alternate exterior angles
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7. use the figure to decide the type of angle pair that describes ∠2 an…
alternate interior angles
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use the diagram below to complete the following statements. xz is paral…
27 metros
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6. a fence on a hill uses vertical posts l and m to hold parallel rails…
M
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5. use the figure to decide the type of angle pair that describes ∠1 an…
corresponding angles
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a triangle has side lengths measuring 3x cm, 7x cm, and h cm. which exp…
A. \(4x < h < 10x\)
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what is the approximate value of k? use the law of sines to find the an…
2.9 units
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use the law of sines to find the value of w. what is the best approxima…
$4.0$ cm
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the side lengths of triangle abc are written in terms of the variable p…
C. \(m\angle C>m\angle A>m\angle B\)
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for each pair of figures below, choose how they are related. translatio…
First pair: Translation Second pair: Reflection Third pair: Rotation Fourth pair: Translation
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for each pair of figures below, choose how they are related. translatio…
First pair: Rotation Second pair: Translation Third pair: Translation Fourth pair: Rotation
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2. 3 - x < 9 + 5x a. make a prediction for the sign of x by comparing t…
a. x will include positive values. When we solve the inequality, we find $x > - 1$, which includes positive values. b. Draw an open circle at - 1 on the number line and an arrow t…
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for each pair of figures below, choose how they are related.
First pair: Reflection Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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what is the missing length in the scaled copy? units original scaled co…
80
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the scale factor is the number you multiply each length in the original…
10
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perpendicular lines use the diagram to determine whether the statement …
13. False 14. True 15. False 16. True 17. True 18. True 19. True
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select all of the expressions that can be used to find the area of the …
We need to calculate areas of rectangles formed by splitting the polygon and then match with given expressions. Without calculating actual values, we analyze the structure of area…
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what number can you multiply each original length by to get each length…
2
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7. in the accompanying diagram, l || m and line t is a transversal. if …
$70$
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the shape above has the following coordinates: rotate the shape 90° clo…
| | Original | Rotated | |--|--|--| | R | $(3,6)$ | $(6,-3)$ | | Y | (Assume original coordinates $(x_y,y_y)$) | $(y_y,-x_y)$ | | G | (Assume original coordinates $(x_g,y_g)$) | $…
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find the missing side length, in units, in the scaled copy. original sc…
30
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what is true about the angles in the original figure and the scaled cop…
equal
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ben draws a circle with a radius of 7 inches. part a what is the circum…
# Explicación: ## Paso 1: Recordar la fórmula de la circunferencia La fórmula de la circunferencia de un círculo es $C = 2\pi r$, donde $r$ es el radio. ## Paso 2: Sustituir el va…
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the square and the rectangle have the dimensions shown. what descriptio…
B. same area, different perimeter
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for each pair of figures below, choose how they are related. translatio…
First pair: Translation Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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which statement about the figures is true? figure 1 figure 2 a. they bo…
A. They both have the same area
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enter the coordinates of the points plotted on this graph into the tabl…
| x | y | |----|----| | - 2 | - 2 | | 1 | - 2 | | 3 | 1 | | 0 | 3 |
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incorrect. your answer is incorrect. for each pair of figures below, ch…
First pair: Translation Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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which of the following is a true statement about the rectangle below? a…
D. Area = 40 m²
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for each pair of figures below, choose how they are related.
First pair: Translation Second pair: Translation Third pair: Reflection Fourth pair: Rotation
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5. solve for the values of x, showing all work. state the angle relatio…
a) \(x = 23\) b) \(x = 65\) c) \(x = 15\) or \(x=-3\)
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partially correct. your answer is incorrect. for each pair of figures b…
First pair: Rotation Second pair: Translation Third pair: Translation Fourth pair: Rotation
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for each pair of figures below, choose how they are related. translatio…
1. Reflection 2. Translation 3. Rotation 4. Rotation
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pre - algebra name _____ period _____ geometry unit 4 - parallel, perpe…
1. MQ (a line parallel to NR) 2. MP (a line skew to NR) 3. RN (a line perpendicular to NR) 4. MP and NR (a pair of skew lines) 5. MQ and NR (a pair of parallel sides)
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the shape above has the following coordinates: rotate the shape 90° clo…
Without the actual initial coordinates of $R$, $Y$, $G$, $B$ from the grid, we can only give the general form: $R'$: If $R=(x_R,y_R)$ then $R'=(y_R,-x_R)$ $Y'$: If $Y=(x_Y,y_Y)$ t…