Subject
Quantitative Aptitude
Topic
Mensuration
What is the area of a circle whose radius is equal to the side of a square whose perimeter is 196 metres?
What is the area of a circle whose radius is equal to the side of a square whose perimeter is 196 metres?
ক)
7176 sq. mখ)
7546 sq. mগ)
7284 sq. mঘ)
7956 sq. mঙ)
None of theseExplanation
Let ‘s’ be the side of the square. Perimeter of square = 196 m ⇒ 4s = 196 ⇒ s = 196/4 ⇒ s = 49 m Radius of circle = r = Side of a square with perimeter 196 sq.m = 49 m ∴ Area of circle = πr 2 = π × 49 2 = π × 49 × 49 = 7546 sq.mRelated questions
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