Given: Irregular Shape: Semi-circle and rectangle:
Area of a rectangle = l * w Area of a semi-circle = (π r²)/2
Area of rectangle = 8 cm * 5 cm = 40cm² Area of a semi-circle = (3.14 (4²))/2 = (3.14*16)/2 = 50.24/2 = 25.12cm² 4² is taken from diameter of 8cm divided by 2 to get the radius.