Question

The internal and external diameter of a circular path are 16cm and 20cm respectively. The area of circular path is?​

Answer 1

QUESTION:

The internal and external diameter of a circular path are 16cm and 20cm respectively. The area of circular path is?

EXPLANATION:

• Find the area by SUBSTRACTING the radius of the bigger circle with the radius of the small circle

• Then put the value of bigger circle's radius as 10 cm and small circle radius as 8 cm

• Get result

ANSWER:

36πcm^2