The diagram above is a triangle XYZ whose area is 23.5cm2. XY =1Ocm and YZ = 8cm, calculate θ correct to the nearest degree.
- 34o
- 35o
-
36o
- 37o
- 40o
The correct answer is: C
Explanation
Area = 1/2 x y x yz sinθ23.5 = 1/2 x 10 x 8 sinθ
sinθ =
23.5 x 210 x 8
= 0.5875θ = sin-1 0.5875 = 36o