Question

In ΔABC ,Angle c = angle A and BC = 5 cm. If AC = 5 cm, then find the length of AB. Pls answer fast it’s urgent !!

Answer 1

Answer:

Applying Pythagoras’ theorem in △ABC,△ABC, we get

AB2=AC2+BC2AB2=AC2+BC2

⇒AB2=52+122⇒AB2=52+122

⇒AB2=25+144⇒AB2=25+144

⇒AB2=169⇒AB2=169

⇒AB=169−−−√⇒AB=169

⇒AB=13⇒AB=13 cm

∴∴ Length of AB is 13 cm.

Answer 2

Answer:

5

Step-by-step explanation:

it is equiletaral triangle