NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
Question 35

Question.  35

35. The area of a square is 100 cm². The circumference (in cm) of the largest circle cut out of it is

(a)

(a) 5π

(b)

(b) 10π

(c)

(c) 15π

(d)

(d) 20π

Detailed Answer with Explanation:

Side of square = √100 = 10 cm.

Diameter of inscribed circle = 10 ⇒ radius = 5.

Circumference = 2πr = 10π.