Problems for a Quizlet REVIEW for EXAM #1

Find the scale factor of the drawing. (The scale factor to get the drawing from the painting.) Write your answer as a fraction in simplest form.

• 2/7

• 3/5

• 5/2

• 7/2

△ABC and △PQR are similar. Find the missing side length. What is the length of AC?

• 14

• 10

• 18

• 22

△ABC and △PQR are similar. Find the missing side length. What is the length of PQ?

• 3

• 4

• 5

• 6

△ABC and △PQR are similar. Find the missing side length.

• PR = 15

• PR = 10

• PR = 20

• PR = 25

The two triangles below are similar. Also, m∠LW = 35° and m∠LY = 90° as shown below. Find m∠C, m∠D, and m∠E. Assume the triangles are accurately drawn.

• m∠C = 35°, m∠D = 90°, m∠E = 55°

• m∠C = 55°, m∠D = 35°, m∠E = 90°

• m∠C = 90°, m∠D = 55°, m∠E = 35°

• m∠C = 35°, m∠D = 55°, m∠E = 90°

The pentagons ABCDE and JKLMN are similar. Find the length x of MN.

• x = 10

• x = 8

• x = 12

• x = 15

The quadrilaterals ABCD and PQRS are similar. Find the length x of SP.

• x = 1.4

• x = 2.5

• x = 0.7

• x = 3.2

Find the length x.

• x = 7

• x = 5

• x = 9

• x = 12

Find the length x.

• x = 4.9

• x = 3.2

• x = 6.1

• x = 8.0

Maya wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger triangle has a length of 58 m, and the base of the smaller triangle has a length of 27 m. The height of the smaller triangle is 20.6 m. How wide is the river? Round your answer to the nearest meter. (The figure is not drawn to scale.)

• 44 m

• 32 m

• 50 m

• 38 m