Question
Find the area of a circle whose radius is (3/4)ᵗʰ of the
side of a square whose area is 1,600 cm². (Use π = 3.14)Solution
ATQ,
Area of square = side²
⇒ side² = 1,600
⇒ side = √1600 = 40 cm
Radius of circle = (3/4) × 40 = 30 cm
Area of circle = 3.14 × 30² = 3.14 × 900 = 2,826 cm²
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