Question

calculate the area of achalk board measuring 120cm by 180cm. express your answer in square metres

Answer 1

shape in the form of rectangle=l×b
=120×160=21600

Answer 2

❤❤Here is your answer ✌ ✌

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area of a chalk board=length ×breadth
120cm×180cm=21600cm^2

change into meter square
21600/100×100=2.16m^2