Question

Ā+B+C =0, Āis perpendicular to B and C=2A, then angle between B & C is (a) 30° (b) 60° (c) 120°​

Answer 1

Answer:

a 30°

Explanation:

B=C 2A

A=90°

so A+B+C =180

90 +2A 180

2A =180-90

2A= 90

A= 90÷2

B=C=30

Answer 2

Answer:

A. 30. because it is correct option