Question

vii) In ABC, AB = 65 cm AC = 12 cm and BC = 6 cm than angleB
a) 120°
b) 60°
c) 90°
d) 45°​

Answer 1

i think so this formula

ab +bc +ac =180

Answer 2

Answer:

90°

Step-by-step explanation:

∆ABC is a right angle triangle with hypotenuse AC =12 So angle opposite to hypotenuse ( AC ) will be 90°

Therefore, Angle B = 90°

I hope it may help you ☺️☺️