Q1Multiple choiceExercise 11.1
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)R12 + R 22 = R2
- (C)R1 + R2 < R
- (D)R12 + R 22 < R 2
Show answer
(B) R12 + R 22 = R2
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
(B) R12 + R 22 = R2