Question

A point object moves along the perimeter of a circle of radius 5√2 cm from point A to point B so that 90° is produced Displacement of the object is-
(a) r ×5√2cm
(b) 10√2cm
(c) r×5√2cm by 2
(d) 10 cm​

Answer 1

Explanation:

90° Displacement means that he has covered a quarter of the circle ( As whole circle = 360°)

For displacement, we would have to solve for the hypotenuse of the right angled triangle formed ( Diagram attached), two sides of which are 5√2