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

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 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

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

tan80 = d/30