Question

A sector of radius 21cm has an area 462sqare cm find its primeter

Answer 1

Answer:

= 462/42 + 21

⇒ 11 + 21

⇒ 32 cm

So, the perimeter of sector is 32 cm

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. By resolving force →F into two components : (i) F cosθ in the direction of displacement of the body. (ii) F sinθ in the perpendicular direction of displacement of the body.