ABC is a triangle, right angled at C . If AB=25cm and AC=7cm, find BC
Answers
Answered by
420
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.
ABsquare=ACsquare+BCsquare
(25*25)square=7*7+BCsquare
625=49+BCsquare
BCsquare=625-49
BCsquare=576
BC=root of 576
BC=24.
Answered by
206
By pythagoras theorem ,
AB²=AC²+BC²
or,BC=√625-49
=24 cm
AB²=AC²+BC²
or,BC=√625-49
=24 cm
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