geometry · worked example

Solve círculo de raio 7 — A = 49π ≈ 153.94

Method: fórmula da área do círculo. Verified step-by-step solution with our free AI math solver.

Problem

$A = \pi r^2,\ r = 7$

Step-by-step solution

Aplique: $A = \pi r^2$ .
Substitua $r = 7$ : $A = \pi \cdot 7^2 = 49\pi$ .
Aproxime: $49 \pi \approx 153{,}94$ .

Answer

$A = 49\pi \approx 153.94$

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