Answer:
Solution:
Given,
Radius(r) = 11 ft
C = ?
Now,
[tex]c = 2\pi \: r[/tex]
C = 2 × 3.14 × 11
= 70 cm
again,
C = 360°
angle = 315°
So,
C = 70 cm
or, 360° = 70 cm
or 1° = 70/360°
or 1° = 7/36
again ,
area = 7/36 × 315°
= 61.25 cm
