Question
Which formula is used to find the area of a circle when given the radius?(1 point)
Responses
A=r2
upper A equals r squared
A=r
upper A equals r
A=2r
upper A equals 2 r
A=d2
1 answer
None of the above formulas are used to find the area of a circle when given the radius. The correct formula is A=πr^2, where A is the area and r is the radius.