Question 1 - NCERT Exemplar - MCQ - Chapter 11 Class 10 Areas related to Circles

Last updated at August 14, 2026 by

If the area of a circle is 154 cm 2 , then its perimeter is

(A) 11 cm ย  (B) 22 cm ย  (C) 44 cm ย  (D) 55 cm

MCQ - Chapter 12 Class 10 - If the area of a circle is 154 cm2, then - NCERT Exemplar - MCQ

part 2 - Question 1 - NCERT Exemplar - MCQ - Serial order wise - Chapter 11 Class 10 Areas related to Circles

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Transcript

Question 1 If the area of a circle is 154 cm2, then its perimeter is (A) 11 cm (B) 22 cm (C) 44 cm (D) 55 cm Now, Area of circle = ๐œ‹r2 154 = ๐Ÿ๐Ÿ/๐Ÿ• ร— r2 154 ร— 7/22 = r2 7 ร— 7 = r2 49 = r2 r2 = 49 r2 = 72 r = 7 cm Now, Perimeter = 2๐œ‹r = 2 ร— 22/7 ร— 7 = 2 ร— 22 = 44 cm So, the correct answer is (C)

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