9514 1404 393
Answer:
314 square inches
Step-by-step explanation:
The radius is half the diameter. If the diameter is 20 inches, the radius is 20/2 = 10 inches. The area is given by the formula ...
A = πr²
Filling in the given values, we get ...
A = 3.14×(10 in)² = 314 in² . . . . area of the circle
Answer:
120 lbs
Step-by-step explanation:
Work = force * distance
1800 ft-lb = force * 15 ft
force = 1800 ft-lb / 15 ft
=1800/15 ft-lb/ft
=120lbs
Answer:
0.04
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
