The sum of the circumferences of two circles is 36-cm and the sum of the areas is
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The sum of the circumferences of two circles is 36-cm and the sum of the areas is 170πcm2. Find the radius of each circle.
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Let the radius of the first circle be r1 and the radius of the second circle be r2 We know that the ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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