Answer:
530.66 square cm
Step-by-step explanation:
A=pi*r^2
A=pi*13^2
A=530.66
Answer:
Ф = 39.4 degrees
Step-by-step explanation:
The ratio 5.75 / 7 is the tangent of the angle of elevation. Using the inverse tangent function on a calculator returns Ф = 39.4 degrees.
Answer:
22 m
Step-by-step explanation:
Diameter d = 7 m
Circumference of the circle C =?

Answer:
5
Step-by-step explanation:
3 ÷ 0.6 = 5