Question

A circus tent has a radius of 30 m. The ring at the centre for
performance by artists is 10 m in radius. Find the area
left for the audience. Use r = 3.14.​

Answer 1

Answer:

area left=π(R×R-r×r))

Step-by-step explanation:

=π{30×30-10×10}

=3.14(40)(20)

=800×3.14

=2512