Problema Solution

Find the circumference of a circle with radius 5 ft.

Area of a circle. The area of a circle of radius r is given by the polynomial πr2. Use 3.14 as an approximation for π.

Answer provided by our tutors

Find the circumference of a circle with radius 5 ft. Area of a circle. The area of a circle of radius r is given by the polynomial πr2. Use 3.14 as an approximation for ÏÂ

Circumference =2*3.14*r.

=2*3.14*5.

31.4 ft.

Area A=3.14*r^2.

=3.14*5^2.

78.5 ft^2.