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In DeltaABC, area of incircle : area of ...

In `DeltaABC`, area of incircle : area of `DeltaABC`=

A

`pi:"Tan"(A)/(2)"Tan"(B)/(2)"Tan"(C)/(2)`

B

`pi:"Cot"(A)/(B)"Cot"(B)/(2)"Cot"(C)/(2)`

C

`1:1`

D

`pi:r`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE SHEET (EXERCISE-II) (LEVEL-II) (Straight Objective Type Questions)
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  2. In a triangle ABC, two sides are a = 6, b = 3 and cos(A-B) =(4)/(5) th...

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  3. If two sides of a triangle are 3 feet and 12 feet and included angle i...

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  4. Given Delta^("le")ABC with AB=20,AC=22(1)/(2),BC=27, Points x and y ar...

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  5. ABC is a right triangle with right angle at B, AC = 2. BC = 1 and BD i...

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  6. A point P is inside an equilateral triangle. If the distances of P fro...

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  7. Let POR be a triangle of area Delta with a = 2,b= (7)/(2) and c=(5)/(2...

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  8. In DeltaABC, area of incircle : area of DeltaABC=

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  9. The correct match for LIST-I from LIST-II. The area of a triangle ABC ...

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  10. The sides of a triangle are in AP and its area is (3)/(5) th of area o...

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  11. The ratio between area of a square inscribed in a circle and an equila...

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  12. In DeltaABC, if b cos A= aCosB then the triangle is

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  13. IF Delta ABC, if cot""A/2=(b+c)/a, then the triangle is

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  14. In DeltaABC, if (a+b+c)(b+c-a)=3bc, then A=

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  15. In Delta ABC, if tan B tan C+tan C tan A+tan A tan B=sqrt3 tan A tan B...

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  16. In DeltaABC, a^(2)+b^(2)+c^(2)=ac+ab sqrt(3). Then the triangle is

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  17. Which of the following statements is true I In a DeltaABC if 4s(s-a...

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  18. Assertion (A) : In Delta ABC a,b, c denotes lengths of the sides an...

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  19. The set of all numbers a such that a^(2) + 2a, 2a + 3 " and " a^(2) + ...

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  20. In a triangle ABC, R(b+c)= a sqrt(bc) where R is the circum radius of ...

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