Question

For triangle ABC, the length of side c = 72, angle C = 41, and angle A = 23. Find the length of side “a”.

Answer 1

42.88

Explanation:

sine rule:

`(a)/(sin \:A ) = (c)/(sin \: C)`

`(a)/(sin \: 23) = (72)/(sin \: 41)`

`a = (sin \: 23)/(sin \: 41) * 72`

= 42.88