1.

The circumfere of a circle is 88 cm find the area of the sector whose central angle is 72

Answer» Circumference of circle=88cmSo,2πr=88Radius=14cmArea of sector=Φ°\\360°*πr²So,72°/360°*πr²Hence,72°/360°*22/7*14*14 =123.5cm²
Thanks
123.2 cm^2


Discussion

No Comment Found