Question

In ∆ ABC, angleB=90°, AB = 5 cm and AC=13 cm, then BC = ?​

Answer 1

Answer:

solution in the picture

Step-by-step explanation:

solution is in the picture

Answer 2

Answer.

BC=12.

step -by-step explanation

in ∆ABC

. angel B=90°

.AB=5cm

.AC=13cm

. BC=?

using Pythagoras theorem.

(AC) ^2=(AB) ^2+(BC) ^2

= (13)^2=(5) ^2+(BC) ^2

= 169=25+(BC) ^2

= 169-25=(BC) ^2

= 144=(BC) ^2

=BC=√144

= BC =12.

I hope my answer will correct.