Question

In a right-angled triangle ABC, if angle B = 90°, BC = 3 cm and AC = 5 cm, then find the length of side
AB.

Answer 1

Answer:

use pythogarous therom=AC square=ABsquare++BCsquare

given,AC=5

BC=3

let AB=x

5square=3square+xsquare

25-9=xsquare

16=x square

x=4