Find the area of Fig15.68, in square cm, correct to one place of decimal.
Area of semicircle with diameter = 10cm
Area of triangle AED = 
Area of square ABCD = 10×10 = 100cm2
Area of figure excluded triangle = 100-24 = 76 cm2
Total area of figure = 39.28+76 = 115.3 cm2
13