Chp 7 Review

The scale drawing of a porch is 8 inches wide by 12 inches long. If the actual porch is 12 feet wide, find the length of the porch.

• 8 ft

• 10 ft

• 16 ft

• 18 ft

Find the triangle similar to  $\Delta ABC$  at the right.

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• 

Find x if  $\Delta ABC\sim\Delta JKL$  

• 10

• 14

• 25

• 29

Quadrilateral ABCD is similar to Quadrilateral PQRS. If AB = 10, PS = 12, and QR = 4, find the scale factor of ABCD to PQRS.

• 1/2

• 3/2

• 5/3

• 5/6

If Quadrilateral ABCD is similar to Quadrilateral EFGH, find x.

• 15

• 20

• 25

• 30

Which theorem or postulate can be used to prove that these two triangles are similar?

• AA~

• SAS~

• SSA~

• SSS~

Find MN.

• 16/3

• 27/4

• 7

• 12

A 5-foot tall student cast a 4-foot shadow. If the tree next to her cast a 44-foot shadow, what is the height of the tree?

• 35.2 ft

• 45 ft

• 51.5 ft

• 55 ft

In  $\Delta ABC,\ \overline{DE}\parallel\overline{AC}$  , if AD = 12, BD = 3, and CE = 10, find BE.

• 1

• 1.5

• 2

• 2.5

Find x so that  $\overline{AC}\parallel\overline{MN}$  in Triangle ABC.

• 8

• 10

• 25

• 29