I believe it would be 9.20 • 9 hours = 82.8
7853.98mm
Step-by-step explanation:
Circumference is pi times diameter so the diameter is 100 millimeters
Diameter is 2 times the radius so the radius is 50 millimeters
Area is pi times the radius squared so the area is about 7853.98 millimeters squared
Solution along with work is included in attachment.
Answer:
Literally do a^2+b^2=x^2 and solve for x