Asked by thomas

If the number of square inches in the area of a circle is equal to the number of inches in its circumference,the diameter of the circle is

a. 4 inches
b. 2 inches
c. 1 inches
d. pi inches
e. 2 pi inches

please answer and explain
Answered by Reiny
so πr^2 = 2πr
divide by π and bring the 2r over

r^2 - 2r = 0
r(r - 2)
r = 0 or r = 2

r = 0 would be no circle

r = 2, then diameter is 4
Answered by taija
What is the area of a rectangle that measure 8inchesbl by 23inches?
Answered by chicken
2. i give u the answer, u figure ohh explanation urself.
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