Answer:
cos x = 16 ÷ 20
cross multiply
20 cosx = 16
Divide each side by 20
cos x =16 ÷ 20
x = cos inverse of 16 ÷ 20
x = 36.869
x = 37°
Step-by-step explanation:
x represents unknown angle
Circumference = 3.1415 (pi) x diameter
44 = 3.1414 x diameter
Diameter = 14.006 or 14 (approximately)
Hope this helped : )