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Home / A_{\text{new}} = \frac{1}{2} \times 10 \times 17 = 85 \text{ cm}^2

A_{\text{new}} = \frac{1}{2} \times 10 \times 17 = 85 \text{ cm}^2

February 22, 2026

$A_{\text{new}} = \frac{1}{2} \times 10 \times 17 = 85 \text{ cm}^2$

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The original area of the triangle is:
A_{\text{original}} = \frac{1}{2} \times 8 \times 15 = 60 \text{ cm}^2
After increasing each leg by 2 cm, the new legs are 10 cm and 17 cm. The new area is:
- 60 = 25 \text{ cm}^2
Thus, the area increases by:
\boxed{25}

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