The sum of the areas of two circles is 80 square meters. Find the length of a radius of each circle if
1 answer:
Answer:
easy peasy lemon squeasy (l o l)
Step-by-step explanation:
let the radius of one circle be r and the other be R,
there fore,
2πr + 2πR = 80
=> 2π( r + R) = 80
but we know that, R =2r
=> 2 π ( 3r) = 80
=> 3r = 40/π
=> r = 40/3π
taking the value of pi to be 3.14
=> r = 40/9.42
=> r = 4.246
hence the larger radius = 2r => 8.492
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