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## The sum of the two areas of two circles is the 80x square meters. Find the length of a radius of each circle of them is twice as long as the

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The sum of the two areas of two circles is the 80x square meters. Find the length of a radius of each circle of them is twice as long as the other. What is the radius of the larger circle?

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Mathematics
3 years
2021-08-22T16:14:29+00:00
2021-08-22T16:14:29+00:00 1 Answers
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## Answers ( )

Answer:— small circle

— big circle

Step-by-step explanation:Given— sum of areasRequiredThe radius of the larger circle

Area is calculated as;For the smaller circle, we have:For the big, we haveThe sum of both is:Substitute:SubstituteFactorizeDivide both sides byDivide both sides by 5Take square roots of both sidesThe radius of the larger circle is: