NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice QuestionsQuestion 20
Class 7 - Mathematics - Unit 9: Perimeter and Area - Multiple Choice Questions
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: \(2 \pi r = 88 \implies r = \tfrac{88}{2 \times 3.14} = 14 \, cm\).