Question

1. A 42 inch television is 40.6 inches wide. Using the diagram below, determine the

height of the
television. Round your solution to the nearest hundredth.
42 in.
40.6 in.

Answer 1

184.85 square mm

Explanation:

The area of a sector of a circle is , where r is the radius and is the angle in radians subtended by the arc at the centre of the circle.

Since, diameter = 40.6 mm

So, radius(r)=20.3 mm and = radians

So, area of sector=

=

Explanation: