CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]

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Question 28 - CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ] - Solutions of Sample Papers for Class 10 Boards

Last updated at December 16, 2024 by

If the difference between the circumference and the radius of a circle is 37cm , Ļ€ = 22/7, the circumference (in cm) of the circle is

(a) 154Ā  Ā  (b) 44Ā  Ā  (c) 14Ā Ā  Ā  (d) 7

Ques 28 (MCQ) - If the difference between circumference and radius of - CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]

part 2 - Question 28 - CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ] - Solutions of Sample Papers for Class 10 Boards - Class 10

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Question 28 If the difference between the circumference and the radius of a circle is 37cm , šœ‹ = 22/7, the circumference (in cm) of the circle is Given that Difference between circumference and the radius of a circle is 37cm Thus, Circumference āˆ’ Radius = 37 cm 2šœ‹r āˆ’ r = 37 r (2šœ‹ āˆ’ 1) = 37 r Ɨ (2 Ɨ šŸšŸ/šŸ• āˆ’ 1) = 37 r Ɨ (44/7 āˆ’ 1) = 37 r Ɨ (44 āˆ’ 7)/7 = 37 r Ɨ 37/7 = 37 r = 37 Ɨ 7/37 r = 7 cm Now, Circumference of Circle = 2šœ‹r = 2 Ɨ 22/7 Ɨ 7 = 2 Ɨ 22 = 44 cm So, the correct answer is (b)

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