Q 3: Find the area of a ring whose radii are 56 cm. and 42 cm.|
4,123 sq. cm.
4,312 sq. cm.
Q 4: The radius of a circular cricket field is 85 cm. A circular path of width 4 cm. is laid, outside the field. Find the area of the path.|
2187.86 sq. cm
2187.43 sq. cm.