To find the area of a triangle, you can use the formula:

\[
\text{Area} = \frac{1}{2} \times \text{base} \times \text{height}
\]

Where:
- **Base** is the length of one side of the triangle, typically the bottom side.
- **Height** is the perpendicular distance from the base to the opposite vertex.

### Example:
If the base of a triangle is 8 cm and the height is 5 cm, the area would be:

\[
\text{Area} = \frac{1}{2} \times 8 \times 5 = 20 \, \text{cm}^2
\]

If the height is not given directly, other formulas might be used based on the available information, such as Heron's formula when the side lengths are known.

Would you like to see more details or have any specific questions?

Here are some related questions for further exploration:
1. How do you find the area of an equilateral triangle?
2. How does Heron's formula work for any triangle?
3. How do you calculate the area of a right-angled triangle?
4. How do you find the height of a triangle if only the sides are known?
5. Can the area formula be applied to irregular triangles?

**Tip:** Always ensure the height is perpendicular to the base when using the basic area formula.

Learn how to calculate the area of a triangle using the base and height formula. This detailed explanation includes examples such as finding the area when the base is 8 cm and the height is 5 cm. Understand other methods like Heron's formula for triangles with known side lengths. Suitable for Grades 5-7.

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