geometry · worked example

Solve circle radius 7

Method: circle area formula. Verified step-by-step solution with our free AI math solver.

Problem

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

Step-by-step solution

Apply: $A = \pi r^2$ .
Substitute $r = 7$ : $A = \pi \cdot 7^2 = 49\pi$ .
Approximate: $49 \pi \approx 153.94$ .

Answer

$A = 49\pi \approx 153.94$

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