Question

from a circle of diameter 21cm . two circle of diameter 2/3 and 1/3 of the diameter of the big circle have been drawn . Find the area of the remaining big circle.

Answer 1

Answer:

153.86

Step-by-step explanation:

remaining big circle is the 2/3 diameter of the big circle.

2/3×21=14

radius=14/2=7

so area=pi×r square=3.14×7 square= 153.86