Question

The angle between two perpendicular line is ___

• A. $90$
• B. ${90}^{\circ }$
• C. $90$ degrees
• D. $90$ degree

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A

$90$

B

${90}^{\circ }$

C

$90$ degrees

D

$90$ degree

The definition itself of perpendicular line is to have an angle of ${90}^{\circ }$ between them.

So, the angle between two perpendicular lines is ${90}^{\circ }$