Find the area of the circle whose diameter is 42 cm.
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Answer:
So bro, °.° Area of a circle = Pie × r ²
°.° Area of the circle = (22/7) × (21)² cm²
[of radius, r = d/2 = (22/7) × 21 × 21 cm²
= 42/2 = (22 × 3 × 21) cm²
= 21 cm] = 1386 cm²
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