NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
Question 19

Question.  19

19. Circumference of a circle of diameter 5 cm is

(a)

(a) 3.14 cm

(b)

(b) 31.4 cm

(c)

(c) 15.7 cm

(d)

(d) 1.57 cm

Detailed Answer with Explanation:

Diameter = 5 cm, so radius = 2.5 cm.

Circumference = \(2 \pi r = 2 \times 3.14 \times 2.5 = 15.7 \, cm \).

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