A paper is in the form of a rectangle ABCD in which AB = 20 cm and BC = 14 cm. A semi-circular portion with BC as diameter is cut-off. Find the area of a remaining part.

A paper is in the form of a rectangle ABCD in which AB = 20 cm and BC = 14 cm. A semi-circular portion with BC as diameter is cut-off. Find the area of a remaining part.

Matching exercise

Match the items on the right to the items on the left.

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