Question

In triangle ABC, C=90° , AC=7cm , AB=25cm. Find the length of BC

Answer 1

Answer:

24

Step-by-step explanation:

by the Pythagoras theory

BC2=AB2-AC2

BC=576 underoot

BC=24

Answer 2

Answer:

AB =25

AC =7

angle C= 90°

$by \: pythagoras \: theorem \\ \\ ab^{2} = ab ^{2} - ca ^{2} \\ \\ ab ^{2} = (25) ^{2} - (7) ^{2} \\ \\ ab ^{2} = 625 - 49 \\ \\ ab ^{2} = 576 \\ \\ ab = 24$