Asked by kimie
Two circles have the same radius. Is the combined area of the two circles the same as the area of a circle with twice the radius? Explain.
THANK YOU!
THANK YOU!
Answers
Answered by
Reiny
no!
Two circles of radius r
= 2(π)(r^2)
= 2π r^2
one circle of radius 2r
= π(2r)^2
= 4π r^2
use an example, eg. r = 3
two circles with r = 3
= 2π(3^2) = 18π
one circle with radius 6
= π(6^2)
= 36π
notice the singe large circle is twice the area of the two smaller ones
Two circles of radius r
= 2(π)(r^2)
= 2π r^2
one circle of radius 2r
= π(2r)^2
= 4π r^2
use an example, eg. r = 3
two circles with r = 3
= 2π(3^2) = 18π
one circle with radius 6
= π(6^2)
= 36π
notice the singe large circle is twice the area of the two smaller ones
Answered by
Laura
I dont think that answers the question it is to hard to understand
Answered by
Chloe
some things are harder for others
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