Unit 3 Review (Honors)

In a right triangle DEF, <E is a right angle and cos D = 1/4.

Which statement about triangle DEF must be true?

• sin D = 1/4

• tan D = 1/4

• tan F = 1/4

• sin F = 1/4

Tags

CCSS.HSG.SRT.C.7

To the nearest degree, what is the measure of the indicated angle?

• 33

• 61

• 29

• 57

Tags

CCSS.HSG.SRT.C.8

Find the value of a in the following diagram:

• 10.3

• 7.5

• 8.0

• 12.1

Tags

CCSS.HSG.SRT.C.8

Ricardo is standing 75 feet away from the base of a building. The angle of elevation from the ground where Ricardo is standing to the top of the building is 32 degrees. What is the height of the building, the the nearest tenth of a foot?

• 46.8

• 63.6

• 39.7

• 55.5

Tags

CCSS.HSG.SRT.C.8

A square has a diagonal length of 8ft.

What is the perimeter of the square?

• 16.0 ft

• 24.0 ft

• 22.6 ft

• 31.9 ft

Tags

CCSS.8.G.B.8

What is the length of the diagonal of a square with an area of 25 cm²?

• 5√2 cm

• 7.9 cm

• 12.0 cm

• 25.0 cm

Tags

CCSS.8.G.B.8

An equilateral triangle has an altitude of 12√3 in.

What is the area of the triangle?

• 98.6 in²

• 144.0 in²

• 216.0 in²

• 249.4 in²

Tags

CCSS.6.G.A.1

In right triangle ABC, and A and angle B are complementary angles. The value of cos A = 5/13. What is the value of sin B?

• 5/13

• 12/13

• 13/12

• 13/5

Tags

CCSS.HSG.SRT.C.7

What is the value of cos A?

• 3/5

• 3/4

• 4/5

• 5/3

Tags

CCSS.HSG.SRT.C.6

In right triangle HJK, <J is a right angle and tan <H = 1. Which statement about triangle HJK must be true?

• sin H = 1/2

• sin H = 1

• sin H = cos H

• sin H = 1 / cos H

Tags

CCSS.HSG.SRT.C.7