Unit 8 Review - Trigonometry

What is AC?

(a)  

Tags

CCSS.8.G.B.7

Do the line segments with the given lengths form a right triangle?

• 11, 60, 61

• 13, 84, 85

• 39, 80, 91

Tags

CCSS.8.G.B.8

The hypotenuse of a 30°-60°-90° triangle has a length of 20 cm. Which could be the length of a leg of the triangle? Select all that apply.

• 10 cm

• 12 cm

• 16 cm

• $10\sqrt{3}$ cm

Tags

CCSS.8.G.B.8

Which is the tangent ratio of ∠A?

• $\frac{195}{197}$

• $\frac{28}{197}$

• $\frac{28}{195}$

• $\frac{195}{28}$

Tags

CCSS.HSG.SRT.C.6

To the nearest tenth, which is the perimeter of △ABC?

• 9.6

• 17.4

• 27.2

• 47.2

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is m∠B to the nearest tenth?

(a)  

Tags

CCSS.HSG.SRT.C.8

What is the value of x to the nearest tenth?

(a)  

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the angle of depression from the start of a 12-foot-high access ramp that ends at a point 80 feet away along the ground?

• $0.15\degree$

• $8.2\degree$

• $8.5\degree$

• $45.6\degree$

Tags

CCSS.HSG.SRT.C.8

What is the angle of elevation to the nearest tenth of a degree to the top of a 55-ft building from 95 ft away?

(a)  

Tags

CCSS.HSG.SRT.C.8

What is the area of the triangle?

(a)  

Tags

CCSS.HSG.SRT.D.9