How many Right Angles are formed in 2 revolution?
(a) 4
(b) 8
(c) 12
(d) 16

Dear student,

One revolution means one complete circle i.e., 360 degrees
Measure of right angle = 90 degrees
No.of right angles in a complete circle = $\frac{360}{90}$ = 4
​​​​​​
Therefore, In one revolution , No.of right angles = 4
In two revolutions, No.of right angles = 2 x 4
= 8
Therefore Option (b)

Regards