1.

Find the area of rectangle with length and breadth equal to 7 m and 3 m respectively.

A. \[21{{m}^{2}}\]
B. \[28{{m}^{2}}\]
C. \[20{{m}^{2}}\]
D. \[14{{m}^{2}}\]
E. None of these
Answer» B. \[28{{m}^{2}}\]


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