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In Delta ABC,AD and CE are perpendicular...

In `Delta ABC,AD` and CE are perpendiculars from A and C on the opposite sides. If `AD = 6 cm. BC = 14 cm, AB = 10cm, `find CE.

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To solve the problem, we need to find the length of CE in triangle ABC, given the following information: - AD = 6 cm (perpendicular from A) - BC = 14 cm (base) - AB = 10 cm (another side) ### Step-by-Step Solution: 1. **Understand the Triangle and Given Information**: - We have triangle ABC with points A, B, and C. - AD and CE are the perpendicular heights from points A and C to the opposite sides (BC and AB respectively). 2. **Use the Area Formula for Triangle**: - The area of triangle ABC can be calculated in two different ways using the heights AD and CE. - The area using height AD is: \[ \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} = \frac{1}{2} \times BC \times AD \] - The area using height CE is: \[ \text{Area} = \frac{1}{2} \times AB \times CE \] 3. **Set the Two Area Expressions Equal**: - Since both expressions represent the area of the same triangle, we can set them equal to each other: \[ \frac{1}{2} \times BC \times AD = \frac{1}{2} \times AB \times CE \] 4. **Substitute the Known Values**: - Substitute BC = 14 cm, AD = 6 cm, and AB = 10 cm into the equation: \[ \frac{1}{2} \times 14 \times 6 = \frac{1}{2} \times 10 \times CE \] 5. **Simplify the Equation**: - The \(\frac{1}{2}\) cancels out from both sides: \[ 14 \times 6 = 10 \times CE \] 6. **Calculate the Left Side**: - Calculate \(14 \times 6\): \[ 14 \times 6 = 84 \] - So, we have: \[ 84 = 10 \times CE \] 7. **Solve for CE**: - Divide both sides by 10 to find CE: \[ CE = \frac{84}{10} = 8.4 \text{ cm} \] ### Conclusion: Thus, the length of CE is **8.4 cm**.
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