If the sum of the areas of two circles with radii R 1 and R 2 is equal to the area of a circle of radius R, then

(A) R 1 + R 2 = R  

(B) R 1 2 + R 2 2 = R 2

(C) R 1 + R 2 < R  

(D) R 1 2 + R 2 2 < R 2

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  1. Chapter 12 Class 10 Areas related to Circles (Term 1)
  2. Serial order wise

Transcript

Question 3 If the sum of the areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R, then (A) R1 + R2 = R (B) R_1^2 + R_2^2 = R2 (C) R1 + R2 < R (D) R_1^2 + R_2^2 < R2 Given that sum of the areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R Therefore, ๐œ‹๐‘…_1^2+๐œ‹๐‘…_2^2= ๐œ‹๐‘…^2 ๐‘น_๐Ÿ^๐Ÿ+๐‘น_๐Ÿ^๐Ÿ=๐‘น^๐Ÿ So, the correct answer is (B)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.