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 Class 7 Mathematics area of varied shapes questions and answers

A circular cut-out of diameter 14 cm is removed from a square board of length 30 cm. What is the area of the piece of board that remains? (Take #pi=22/7#)
A. 856 #cm^2#
B. 154 #cm^2#
C. 746#cm^2#
D. 284 #cm^2#

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