Worksheet #4 Trigonometry answers
1) angle 35°; sides 2.1 and 3.7
2) angle 20°; sides 5.8 and 5.5
3) angles 29.7° and 60.3°; side 8.1
4) angle 18°; sides 23.8 and 7.7
5) angles 25.9° and 64.1°; side 13.1
6) angles 30° and 60°; side (√3/2)x
7) final side: 24.7
(others from left to right: 21.3, 23.5, 14.1, 24.7, 17.2, 24.7)
8) about 30 feet
9) 36.9° and 53.1°
10) about 210,000 miles
11) about 83,000,000 miles
12) No; at least one side length is needed. (Without it, you can still find the *ratios* of the side lengths, but you don't know how big the triangle is.)