volume_mute

Area of a Composite Shape

publish date: 2026/05/16 21:27:28.729422 UTC

volume_mute

Find the total combined area of the composite region made up of a rectangle and a right triangle.

10 cm8 cm5 cm

Correct Answer

100 cm²

Explanation

Area of rectangle = \(10 \times 8 = 80\text{ cm}^2\). Area of triangle = \(\frac{1}{2} \times 5 \times 8 = 20\text{ cm}^2\). Total Area = \(80 + 20 = 100\text{ cm}^2\).

Reference

Mathematics for college students

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