Question

The figure below shows the top view of a circular room with a circular stage. The diameter of the stage is 24 feet. The shaded portion represents the seating for the audience around the stage.
What is the area of the seating portion?

Answer 1

diameter of whole room=120 ft

Answer 2

diameter of the stage is 1/5 th of the whole room..
so, area of the whole stage = 1/25 th of the area of the whole room

Answer 3

now, completing the circle, find out the area of the whole room..
now, the area of the sector= 29/36 th of the circular area..
find 24/25 th of the sector, that is the area of the seating portion

Answer 4

[Use π =22/7]

What is the area of the seating portion?

9114.29 ft2

8661.71 ft2

10707. 71 ft2

8749.71 ft2

Answer 5

last one

Answer 6

Thanks!

Answer 7

welcome