CW Thurs 2/25

Which of the following is NOT true about similar figures?

• A) Similar figures always have the same shape.
• B) Similar figures always have the same size.
• C) Similar figures always have corresponding angles that are equal.
• D) Similar figures always have corresponding sides that are proportional.

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

ΔSQR∼ΔSPT. Which choice below lists two corresponding sides?

• SP and SR

• QS and PT

• PS and RS

• TP and RQ

Calculate the value of the scale factor between the 2 triangles

• 2.5

• 3

• 3.5

• 4

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75
• 9.75
• 10
• 12

Solve for x. The two figures are similar.

• x = 6
• x = 9
• x = 7
• x = `0

Select the 2D object that can be rotated to form the 3D object shown.

• 
• 
• 
• 

What is the height of the Tree?

• 20
• 15
• 30
• 10

Find AE

• 12.5
• 18
• 11.75
• 13

The measures of the angles in a triangle are 53⁰,78⁰, and 49⁰.  A similar triangle is created by using a dilation with a scale factor of 2.  What are the measures of the angles of this triangle?

• 53⁰,78⁰, and 49⁰
• There is not enough information to answer this question.
• 106⁰,156⁰, and 98⁰
• 26.5⁰,39⁰, and 24.5⁰