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ABC is a right angled triangle , right angled at C and P is the length of perpendicular from C on AB. If a, b and C are the length of sides BC, CA and AB respectively. Then___

A

`(1)/(p^2) = (1)/(b^2) - (1)/(a^2)`

B

`(1)/(p^2) = (1)/(a^2) + (1)/(b^2)`

C

`(1)/(p^2) + (1)/(a^2) + (1)/(b^2)`

D

`(1)/(p^2) = (1)/(a^2) - (1)/(b^2)`

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UNITED BOOK HOUSE-Pythagoras Theorem-Exercise
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  2. In triangleABC, angleA = 90^@. The perpendicular from A upon BC meets....

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  4. In a triangleABC, triangleA = 90^@, AB = 5 cm and AC = 12 cm. If AD bo...

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  5. In an equiliteral triangle ABC, if AD bot BC, then

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  6. If the measures of the sides of triangle are (x^2 - 1), (x^2 + 1) and ...

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  7. If the sides of a right angled triangle are three cosecutive integers,...

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  8. ABC is a right angled triangle, right angled at B such that BC = 6 cm ...

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  9. A point D is taken from the side BC of a right angled triangle ABC, wh...

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  10. ABC is a right angled triangle , right angled at C and P is the length...

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  11. triangleABC is an isosceles triangle in which angleC = 90^@. If AC = 6...

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  12. In an isosceles triangle ABC, if AB = AC = 25 cm and BC = 14 cm, then ...

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  13. If triangleABC is an equilateral triangle such that AD bot BC, then AD...

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  14. In a triangleABC, perpendicular AD from A on BC meets BC at D. If BD =...

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  15. If ABC is an isosceles triangle and D is a point on BC such that AD bo...

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  16. If ABC is a right triangle right-angled at B and M, N are the midpoint...

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  17. If E is a point on side CA of an equilateral triangle ABC such that BE...

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  18. In a right triangle ABC right-angled at B, if P and Q are points on th...

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  19. triangleABC is a right triangle right angled at A and AD bot BC. Then ...

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  20. A man goes 24 m due west and then 7 m due north. How far is he from th...

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