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If Delta ABC is right angled at A , th...

If ` Delta ABC ` is right angled at A , then ` r_2 + r_3` is equal to

A

`r_(1)-r`

B

`r_(1)+r`

C

`r-r_(1)`

D

R

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A
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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE SHEET (EXERCISE-III) (LEVEL-I) (Straight Objective Type Questions)
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  6. In DeltaABC, if r(1) lt r(2) lt r(3) then

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  7. In a triangle ABC, if (1)/(r(1)^(2))+(1)/(r(3)^(2))+(1)/(r^(2))=

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  8. If (r)/(r(2))=(r(1))/(r(3)) then

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  10. In Delta ABC , with usual notation observe the two statements given ...

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  11. In DeltaABC if r(1)-r=r(2)+r(3) then

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  13. r+r(3)+r(1)-r(2)=

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  14. If the sides of a triangle ABC are 6,8,10 units, then the radius of it...

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  15. In triangle ABC, if r(1)=3, r(2)=10, r(3)=15 then R=

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  16. If the diameter of any excircle of a triangle is equal to its perimete...

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  20. If 2R+r=r(1) then

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