In a △ABC, a=13cm, b=12cm and c=5cm. The distance of A from BC, is
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a
14413
b
6512
c
6013
d
2513
answer is C.
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Detailed Solution
We have,a2=b2+c2So, △ABC is right-angled at A.∴ Area of △ABC=12(AB×AC)=12bc=30cm2Also,Area of △ABC=12×BC×(Distance of A from BC)⇒ 30=12×13× Distance of A from BC⇒Distance of A from BC=6013