Unit Six: Test

Solve for x. 2/x = 6/2 2/3 3/2 6

2/3

Use special right triangles to solve for the exact value of x. Root 89 Root 39 Root 26

Root 89

Which polygons are similar? 1 2 3 4

1 and 4

Find the ratio in simplest form. 15 minutes to 2 hours 1/8 2/15 15/2

1/8

Solve for x. x/3 = 5/8 8/15 15/8 24/5

15/8

Use special right triangles to solve for the exact value of x. 4 9 16

16

A boy, who is 5 ft. 6 in. tall, casts a shadow 2 ft long. Find the height of the pole if it casts a shadow 2 yards long. 192 inches 195 inches 198 inches

198 inches

One polygon has a side of length 3 feet. A similar polygon has a corresponding side of length 9 feet. The ratio of the perimeter of the smaller polygon to the larger is 3:1 1:6 1:3

1:3

Which of the triangles are right triangles? 1 2 3 4

2

Find the slant height of this square pyramid.

3 root 3

Solve for x.3:12 = x:16 9/4 4 64

4

Find the ratio in simplest form. 2/3 to 3/2 9/4 1 4/9

4/9

Find the ratio of x to y. x/5 = 2/3 = 5/y 2/3 4/9 1

4/9

Find the diagonal of the rectangular solid.

5 root 2

Find the ratio in simplest form.30:6 1:5 4:1 5:1

5:1

Use special right triangles to solve for the value of x. 7 7 root 2 Root 14

7

Use the figure below to find the answer. Find y.

7 root 2

Use special right triangles to solve for the exact value of y. 4 root 3 8 root 3 12 root 3

8 root 3

Which triangles are similar? a b c d

a, b, and d

Choose the equation you would use to find the altitude of the airplane. tan70 = x/800 tan70 = 800/x sin70 = x/800

tan70 = x/800

Which equation would you use to find the distance to the iceberg? cos80 = 30/d tan80 = 30/d tan80 = d/30

tan80 = d/30