NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
Question 20

Question.  20

20. Circumference of a circle disc is 88 cm. Its radius is

(a)

(a) 8 cm

(b)

(b) 11 cm

(c)

(c) 14 cm

(d)

(d) 44 cm

Detailed Answer with Explanation:

Circumference = 88 cm.

Formula: \(2 \pi r = 88 \implies r = \tfrac{88}{2 \times 3.14} = 14 \, cm\).

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 9: Perimeter and Area – Multiple Choice Questions | Detailed Answers