Question

15. If three vectors be of magnitudes 3, 4 and 5 units
and A + B= C is true, than angle between A and
B will be :
(a)0
(b) 45°
(c) 90°
(d) 1.​

Answer 1

Answer:45°

Explanation:

Answer 2

Answer:

90°

Explanation:

Pythagoras theorem will be applied,as

3^2+4^2=5^2