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To find the area of triangle \( HIJ \), we use the formula for the area of a triangle:

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

Here, we are given:
- The base \( HI = 5 \, \text{cm} \)
- The height \( IJ = 14 \, \text{cm} \)

Substituting these values into the formula:

\[
\text{Area} = \frac{1}{2} \times 5 \times 14 = \frac{1}{2} \times 70 = 35 \, \text{cm}^2
\]

Thus, the area of triangle \( HIJ \) is **35 cm²**.

Do you need further explanation or have any questions?

Here are 5 related questions:
1. How would you find the area if the height were not perpendicular to the base?
2. What is the formula for the area of a right triangle?
3. How does changing the base affect the area of the triangle?
4. What happens to the area if both the base and height are doubled?
5. How would you calculate the area of a triangle if only two sides and the angle between them were known?

**Tip:** Always ensure that the height you use is perpendicular to the base when calculating the area of a triangle.

Learn how to find the area of triangle HIJ with a base of 5 cm and a height of 14 cm using the formula for the area of a triangle. This example is suitable for students in Grades 5-6, providing a clear understanding of basic geometry concepts.

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