1) ABC is a triangle, right angled at C if AB=25cm and AC=7cm find BC.

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Solution

By phythagorean triplet.

ABsquare=ACsquare+BCsquare

(2525)square=77+BCsquare

625=49+BCsquare

BCsquare=625-49

BCsquare=576

BC=root of 576

BC=24.

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Similar questions

$A B C$ is a triangle, right angles at $C$ . If $A B = 25 c m$ and $A C = 7 c m$ , find $B C$ .

Question 2
ABC is a triangle, right angled at C. If AB = 25 cm and AC = 7 cm, find BC.

$A B C$ is a triangle,right angled at $C$ .If $A B = 25$ cm and $A C = 7 c m$ ,find $B C$ .

△ A B C

B

B C = 7 c m, A C - A B = 1

cos A + sin A

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