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3B

1.

Estimate and find solutions to application problems involving proportional relationships such as similarity, scaling, unit costs …

∆GHI and ∆JKL are similar triangles. What is the length of HI? H

3.

∆ABC and ∆DEF are similar triangles. What is the length of EF?

K

E B

6 yd

6 cm J 4 yd L G 6 yd

A B C D

2.

A

A B C D

9 yd. 10 yd. 24 yd. 36 yd.

A tree 6 meters tall casts a shadow of 18 meters. A flagpole nearby casts a shadow of 36 meters. How tall is the flagpole? A B C D

th

I

4.

4 Six Weeks Benchmark

Page 7

6 cm

F

C

4 cm 6 cm 9 cm 12 cm

A printer can print 15 pages in 2 minutes. How many pages can be printed in 30 minutes? A B C D

12 m 18 m 24 m 36 m

9 cm

D

150 225 300 450


73b