Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 32)
How do you find the area of a shape made of a rectangle and a triangle?
Multiply the area of the rectangle by the area of the triangle.
Subtract the area of the triangle from the rectangle.
Add the area of the rectangle and the area of the triangle.
Divide the area of the rectangle by the area of the triangle.
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Add the individual areas to find the total area of a composite shape.