Question

Two circles have the same radius. Complete the description for whether the combined area of the two circles is the same as the area of a circle with twice the radius.
The combined area of two circles with the same radius is __________ πr2. The area of a circle with twice the radius is __________ πr2. The combined area of two circles is ______ as the area of a circle with twice the radius.

Answer 1

Answer:

A1=2π*r^2

A2=π(2r)^2=4π*R^2

double