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Which of the following holds for a right angle triangle ABC? |
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Answer» Diameter of one of the ex-circles equals to the PERIMETER of the triangle. `s TAN((A)/(2))=simpliesA=(pi)/(2)` (B) `Let""2R=aimpliessinA=1impliesA=(pi)/(2)` (C )`Let" "r=2k,b+c=17k,a=13k` `s=15k,r=(s-a)"tan"(A)/(2)implies(A)/(2)=(pi)/(4)` `A-(pi)/(2)` (D) `2r=s-aimplies"tan"(A)/(2)=(1)/(2)"":.Ane(pi)/(2)` |
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