1.

Length and breadth of a rectangular board is 30cm and 18cm respectively. If cost of 1 cm sq. of the rectangular board is ₹ 12, then find the cost of whole board?​

Answer»

ANSWER:

perimeter= 96 CM

cost ₹1,152

Step-by-step explanation:

length of rectangular BOARD=30 cm

breadth of rectangular board= 18 cm

perimeter of rectangular board= 2(l+b)

perimeter of rectangular board=2(30+18)

=2(48)

=96

cost of 1 cm sq.is ₹ 12

cost of 96 cm is =12×96

=₹1,152



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