(hint: there should be a radical \sqrt{} in your answer)
1 point
1
Question 9
9.
x=
(hint: there should be a radical \sqrt{} in your answer)
1 point
1
Question 10
10.
y=
For #11-13 be sure to write exact answers only. No decimals!
Hint: Use the unit circle.
1 point
1
Question 11
11.
1 point
1
Question 12
12.
1 point
1
Question 13
13.
2 points
2
Question 14
14.
Draw the angle.
You must show all rotations!
2 points
2
Question 15
15.
Draw the angle.
You must show all rotations!
1 point
1
Question 16
16.
Find the smallest negative coterminal angle. Write your answer in degrees.
1 point
1
Question 17
17.
Find the smallest positive coterminal angle. Write your answer in radians.
1 point
1
Question 18
18.
Convert the angle to radians.
1 point
1
Question 19
19.
Convert the angle to degrees.
1 point
1
Question 20
20.
Find the reference angle.
SOH CAH TOA
1 point
1
Question 21
21.
\angle A=
1 point
1
Question 22
22.
y=
Round to the nearest whole.
1 point
1
Question 23
23.
x=
Round to the nearest whole.
2 points
2
Question 24
24.
From where Jacob stands, the angle of elevation is 35° to the top of a building that has a height of 150 feet. How faris Jacob standing from the building?
Show your work by drawing a picture and labeling given information.
Round to the nearest whole number & put units on your answer!
1 point
1
Question 25
25.
A man standing at the top of a tower, looks down at an angle of depression of 30° and sees a car on the ground. If the car is 40 meters from the base of the tower, what is the height of the tower?
Round to the nearest whole number & put units on your answer!
2 points
2
Question 26
26.
To meet California building codes, a staircase must have an angle of elevation between 30\degree and 38\degree. Find the angle of elevation for the staircase below and EXPLAIN whether or not this staircase meets the building code.
Type the angle in the box and click 'show your work' to explain if it meets the building code or not.
