ABC is a triangle right angled at C with BC a and AC b If p is the length of the perpendicular from ...........

Quantitative Aptitude (CDS) Coordinate Geometry

ABC is a triangle right angled at C with BC = a and AC = b. If p is the length of the perpendicular from C on AB, then which one of the following is correct?

a²b² = p² (a²+b²)

a²b² = p² (b² - a²)

2a²b² = p² (a²+b²)

a²b² = 2p² (a²+b²)

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Explanation:

Area of $\Delta$ ABC = ½ * a*b

Also Area of $\Delta$ ABC = 1/2* p*√ (a2+b2) , AB =√ ( a2+b2)

1/2ab = ½ * p * √( a2+b2)

a²b² = p²(a²+b²)

By: Munesh Kumari

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ABC is a triangle right angled at C with BC a and AC b If p is the length of the perpendicular from ...........

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Explanation:

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