Question

How do I find b and c?

Answer 1

b = 25.03,

c = 32.67 to the nearest hundredth.

Explanation:

To find b and c you can use the trigonometry of a right angled triangle.

tan 50 = b / 21

b = 21 tan 50

b = 25.03

cos 50 = 21 / c

c = 21 / cos 50

= 32.67