# Right Triangle Trig Quiz 4.6.3

9 Questions

Right Triangle Trigonometry

• 1.
For the right triangle ABC shown below, what is tanA?
• A.

A/c

• B.

B/c

• C.

A/b

• D.

B/a

• E.

C/b

• 2.
The hypotenuse of the right triangle LMN shown below is 22 feet long. The cosine of angle L is ¾. How many feet long is the segment LM?
• A.

18.4

• B.

16.5

• C.

11.0

• D.

6.7

• E.

4.7

• 3.
When measured from a point on the ground that is a certain distance from the base of a cell phone tower, the angle of elevation to the top of the tower is 41°, as shown below. The height of the cell phone tower is 200 feet. What is the distance, in feet to the cell phone tower?
• A.

230.1 feet

• B.

131.2 feet

• C.

150.9 feet

• D.

265.0 feet

• E.

173.9 feet

• 4.
For the right triangle ABC shown below, what is SinA?
• A.

B/c

• B.

A/c

• C.

A/b

• D.

B/a

• E.

C/a

• 5.
• A.

6

• B.

10.2

• C.

12

• D.

15

• E.

28.3

• 6.
Note: fractions are written using the slash. You will need to draw the triangle.
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 7.
The perimeter of a square is 36 units. How many units long is the diagonal of the square? You need to draw the square.
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 8.
What is the sin(60) Note, the fractions are written as slashes.
• A.

A

• B.

B

• C.

C

• D.

D

• E.

E

• 9.
A ladder leans against a house at an angle of elevation of 50 degrees. How long is the ladder if the bottom of the ladder is 10 feet from the base of the house? Round to the nearest tenth of a foot.
• A.

15.6 feet

• B.

6.4 feet

• C.

13.1 feet

• D.

11.9 feet

• E.

8.4 feet

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