SOLUTION: For which positive radius, r, is the circumference of a circle the same as the area of a circle?
Algebra.Com
Question 587736: For which positive radius, r, is the circumference of a circle the same as the area of a circle?
Answer by htmentor(1343) (Show Source): You can put this solution on YOUR website!
C =
A =
Set C = A:
=
Dividing through by gives R=2
RELATED QUESTIONS
What is the perimeter of a square which has the same area as a circle with circumference... (answered by stanbon,josgarithmetic)
1.) The area of a circle is 201 cm. Which is the circumference of the... (answered by RedemptiveMath)
the circumference of a circle is 20 pi inches. Find its radius and area.
the radius of (answered by Alan3354)
the difference between the circumference and the radius of a circle is 37cm. Find the... (answered by lwsshak3)
Find the radius of a circle whose circumference is... (answered by ewatrrr)
Recall that the area of a circle, A, (in square inches) is determined by the formula... (answered by vleith)
The difference between the circumference and radius of a circle is 37 cm. find the area... (answered by amarjeeth123)
Suppose x is any positive number. Circle 1 has a center at (1, −6) and a radius of (answered by Edwin McCravy,ikleyn)
A circle has a radius of 4 centimeters what is the circumference and area of the... (answered by Alan3354)