Answers

2015-08-13T19:54:35+05:30
By phythagorean triplet.

ABsquare=ACsquare+BCsquare

(25*25)square=7*7+BCsquare

625=49+BCsquare

BCsquare=625-49

BCsquare=576

BC=root of 576

BC=24.


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2015-08-13T22:33:20+05:30
By pythagoras theorem ,
AB²=AC²+BC²
or,BC=√625-49
=24 cm
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