Find Cos(A) as a decimal rounded the the nearest ten-thousandth.
.4706
1.875
.8824
.5333
9. Multiple Choice
1 minute
1 pt
Find the measure of the indicated angle (?) round to the nearest tenth.
9.4
55.2
20.15
19.4
10. Multiple Choice
1 minute
1 pt
Solve for x. Round to the nearest tenth.
44.0
41.4
1.2
1.0
11. Multiple Choice
2 minutes
1 pt
Solve for x. Round to the nearest tenth.
103.5
4.7
55.0
23.4
12. Multiple Choice
1 minute
1 pt
Solve for x. Round to the nearest tenth.
9.8
0.1
0.038
9.9
13. Multiple Choice
15 minutes
1 pt
A
B
C
D
14. Multiple Choice
30 seconds
1 pt
Choose the correct ratio.
sin(37)=x/14
cos(37)=x/14
tan(37)=x/14
sin(37)=14/x
15. Multiple Choice
5 minutes
1 pt
A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree. The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse?
7.5 ft
15 ft
26 ft
30 ft
16. Multiple Choice
5 minutes
1 pt
A yacht is anchored 90 feet offshore from the base of a lighthouse. The angle of elevation from the boat to the top of the lighthouse is 26 degrees. The distance between the yacht and the top of the lighthouse is about 100 feet. Which of these is nearest to the height of the lighthouse?
25 feet
45 feet
110 feet
135 feet
17. Multiple Choice
5 minutes
1 pt
Susan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.
63 ft
65 ft
74 ft
87 ft
18. Multiple Choice
30 seconds
1 pt
Find r and s.
r = 9, s = 9√3
r = 18, s = 9
r = 9√3, s = 9
r = 18, s = 9√3
19. Multiple Choice
30 seconds
1 pt
Find the area of this triangle. Round your answer to the nearest tenth.
89.0 units squared
89.6 units squared
9.2 units squared
13.1 units squared
20. Multiple Choice
30 seconds
1 pt
Which of the following is correct for finding the measure of angle Z?