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sveta [45]
3 years ago
7

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.
Mathematics
1 answer:
Dimas [21]3 years ago
8 0
Ok so area=pir^2

2 circles with same area=2pir^2

circle with 2 times radius=pi(2r)^2=pi4r^2=4pir^2

is 2 circles with same area equal to circle with 2 times radius?
is 2pir^2=4pir^2?
is 2=4?
no


therfor the answer is no

it is because the radius is squaered so the doubled gets doubled makng it quadrupuled when the first one only gets doubled
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