Answer:
b = 25.03,
c = 32.67 to the nearest hundredth.
Step-by-step 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
