what is the area of each stained glass section if the length of the diameter is 90cm?

Question

 

<!--[if !supportLists]-->1.    <!--[endif]-->A church window is built in the shape of a semicircle. If the window is to contain three stained glass section of equal size, what is the area of each stained glass section if the length of the diameter is 90cm?

Answer 1

Area of semicircular window = (π*45²)/2 = 141.37 cm²

Area of each stained glass section = 141.37/3 = 47.12 cm²