How to Calculate the Areas of Triangles and Quadrilaterals

Examples

Practice Questions:

1. Determine the area of a triangle with a base of \(12 \text{cm}\) and a height of \(8 \text{cm}\).
2. Calculate the area of a square with a side length of \(6 \text{cm}\).
3. What is the area of a parallelogram with a base of \(9 \text{cm}\) and a height of \(5 \text{cm}\)?
4. A rhombus has one diagonal measuring \(15 \text{cm}\). If its area is \(45 \text{cm}^2\), find the length of the other diagonal.

1. \(48 \text{cm}^2\).
2. \(36 \text{cm}^2\).
3. \(45 \text{cm}^2\).
4. \(6 \text{cm}\).

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