Area of the circle is πr² which corresponds to an angle of 360° subtended at the center. Thus, the area of a sector subtending angle at the centre is:
In this case put $\theta$ equal to 30°
All outdoor amptitheater has 35 seats in the first row, 37 in the second rwo, and 39 in the thrid row and so om. there are 7 row
1 answer:
You might be interested in