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If the length of tangents from A, B, C t...

If the length of tangents from `A, B, C` to the incircle of `Delta ABC` are `4,6,8` then which of the following is(are) correct? (All symbols used have usual meaning in a triangle.

A

Area of `DeltaABC is 12sqrt6`

B

`r_(1), r_(2), r _(3)` are in HP

C

a,b,c are in AP

D

`r= (4 sqrt6)/(3)`

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Questions Asked In Previous 13 Years Exam)
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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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  15. Internal bisector of /A of triangle ABC meets side BC at D. A line dra...

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  16. One angle of an isosceles triangle is 120^0 and the radius of its incr...

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

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  18. Let a vertical tower A B have its end A on the level ground. Let C be ...

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