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Consider a `Delta ABC` and let a,b, and c denote the leghts of the sides opposite to vertices A,B and C, respectively. Suppose `a=2,b =3, c=4` and H be the orthocentre. Find `15(HA)^(2).`

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Hence, `15(AH) ^(2) =196.`
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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Questions Asked In Previous 13 Years Exam)
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  6. Let PQR be a triangle of area Delta with a = 2, b = 7//2, and c = 5//2...

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  7. If the angle A ,Ba n dC of a triangle are in an arithmetic propression...

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  8. Let A B C be a triangle such that /A C B=pi/6 and let a , b and c deno...

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  10. Let A B Ca n dA B C ' be two non-congruent triangles with sides A B=4,...

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  13. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  14. Consider the circle x^2 + y^2 = 9 and the parabola y^2 = 8x. They inte...

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  17. In Delta ABC, which one is true among the following ?

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