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Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice QuestionsQuestion 19
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
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 = \(2 \pi r = 2 \times 3.14 \times 2.5 = 15.7 \, cm \).