If a region bounded by a circle C is to be divided into three regions of equal areas by drawing two circles concentric with C, then the ratio of the radii of the two circles must be |
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(a) |
1:3 |
(b) |
1: |
(c) |
1:2 |
(d) |
1: |

If a region bounded by a circle C is to be divided into three regions of equal areas by drawing two circles concentric with C, then the ratio of the radii of the two circles must be |
|||||||

(a) |
1:3 |
(b) |
1: |
(c) |
1:2 |
(d) |
1: |

1 Answer

127 votes

Let the radius of the given circle be R. Let the radii of the two inner circles be and

Then, =

127 votes

127