Homework
12.1 Day 2
Name:____________________
Find the measure of each angle to the nearest degree. Make sure your calculator is in DEGREE mode.
1. sin A 0.5
2. cos B
0.6
3. tan C
0.5773
4. tan x
Find the vales to the nearest whole unit.
5.
6.
7. Find m B
8. Find m S
A
12
S
T
13
5
9
15
C
R
B
12
Find each length or angle measure(s) to the nearest whole unit.
9.
10.
A
9
48
z
x
y
y
10
C
z
x
15
B
48
106
11.
12.
A
76
x
z
9
13
24
z
y
B
y
C
x
Find the area of each triangle. Round your final answer to the nearest tenth.
13.
14.
70
44
39
46
60
38
Find the side, half side, and apothem lengths of the regular polygons.
15.
16.
Side: ___________
5
½ Side: _________
Apothem: ________
Side: __________
9
½ Side: ________
Apothem:_______
Answer problems 1-9 on page 648 in the space below. Show all your work.
1.
2.
3.
4.
5.
6.
7.
8.
9.