Question

A denotes the area of the sector of a circle of radius r formed by the central angle. Find the missing quantity. Round answers to three decimal places.

r = 10 meters,  θ = 1/2 radian,  A = ?

Answer 1

Step 1 :

Area of the sector : , where is the radius of the circle and is the central angle.

Radius of the circle .

Central angle .

Substitute corresponding values in .

Solution :

Area of the sector