Respuesta :

Answer:

Top Question:

56.52

Bottom Question:

235.5

step-by-step explanation:

Top Question:

π*r^2 = 113.04

113.04*0.5 = 56.52.

Bottom Question:

π*r^2 = 314.

314*0.75 = 235.5.

We use the formula π x r^2.

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