Scale Factor from A to B Triangles

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

• 3.75

• 9.75

• 10

• 12

Find missing side

• 5

• 7

• 9

• 11

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

Is Figure B a scaled copy of Figure A?

• Yes

• No

Choose the correct scale factor:

• 2.5

• 1.5

• 3.5

• 4

If the scale factor is 4, what is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m

If the scale factor is 4, what is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m

If the scale factor is 4, what is the measurement of x? (a)  

• 20 m

• 24 m

• 16 m

• 4 m

The two pyramids shown are similar. If the smaller pyramid has a height of 21 meters, then what is the height of the larger pyramid?

• 11 meters

• 81.49 meters

• 33 meters

• 7 meters

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft