In rectangle , a circle is removed that touches both sides and . What is the area of the remaining piece? Give your answer to the nearest tenth.
Find the area of the following figure to the nearest tenth.
The diagram below shows a circle of radius cm inscribed in a triangle of base cm and height cm. Find an expression for the area, in cm2, of the shaded region given that the area of a circle is given by . What is the degree of your area expression?
Using the approximation for , calculate the area of the shaded part.
Find the area of the shaded region, using to approximate .