Specification References: G4.1h G4.1h Calculate perimeters and areas of shapes made from triangles and rectangles. Extend this to other compound shapes. |
Questions on area and perimeter using compound shapes formed from two or more rectangles may be set.
The following diagram shows a shape made from a rectangle and two semi-circles.
The diameter of each semi-circle is 12 cm.
The width of the rectangle is 10 cm.
a. Work out the perimeter of the shape.
b. Work out the area of the shape.