The area of a circle is found with the formula A =pi(r)^2, where pi represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet?
A. 10
B. 13
C. 14
D. 17

Question

The area of a circle is found with the formula A =pi(r)^2, where pi represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? 
A. 10
B. 13
C. 14
D. 17

triciaal · Answer

|dw:1414129885682:dw|

given A= 658 and pi = 3.14
substitute in the above to calculate r
find to the closest whole number