WorksheetsLaw of sines, cosines and area
Total questions: 13
Worksheet time: 59mins
Amanda and Jamie are standing 25 feet apart and spot a bird in the sky between them. The angle of elevation from Amanda to the bird is 55 degrees, and from Jamie to the bird is 63 degrees. How far away, to 2 decimal places, is the bird from Amanda?
25.23 ft
23.19 ft
22.15 ft
20.85 ft
A
B
C
D
If the sides of a triangle are 12,5, and 2. What is the area?
12
40.65
19
This triangle does not exist
Find the length of side AB.
10
8
6.1
4.9
What is the area of this triangle to three decimal places?
14.494 meters squared
108.184 meters squared
54.092 meters squared
54.350 meters squared
Two stakes are holding a small blimp in place. Stake A measures an angle of elevation of 49o and Stake B measures an angle of elevation of 58o. If the string attached to Stake A has a length of 148 feet, what is the length of the string attached to Stake B?
152.7 feet
166.3 feet
157.3 feet
131.7 feet
