The area of a circle is increased by 22 sq. cm if its radius is increased by 1 cm. The original radius of the circle is :

The area of a circle is increased by 22 sq. cm if its radius is increa

1.	The area of a circle is increased by 22 sq. cm if its radius is increased by 1 cm. The original radius of the circle is :
A.	cm
B.	.2 cm
C.	.5 cm
D.	cm
Answer» B. .2 cm

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The area of a circle is increased by 22 sq. cm if its radius is increased by 1 cm. The original radius of the circle is :

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