Answer:
Jonah needs 12 feet of electrical wire.
Step-by-step explanation:
=
cross multiply
12 yard × ft = 1 yard x
12÷1=12
12 feet of wire.
General formula for the area of a circle = πr^2.
Since the diameter is 8, the radius is 4 (half of diameter)
So the area is π(4)^2 = 16π.
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