Question

A goat is placed in a circular pen with a radius of 15 feet. The formula for the area of a circle is A=πr2, where r is the radius. If π=3.14, on how many square feet of grass can the goat graze in the pen?

Answer 1

area of circular pen=πr²=3.14×15²=706.5ft²

706.5ft²of grass can goat graze in the pen.