Math, asked by suparnamallah19, 21 hours ago

Solve it:-

Length=75mm ; Breadth= _ ; Area= 31.5cm(square)

Answers

Answered by gangwarapoorva10

0

Answer:

area in mm=

31.5*100=3150mm²

a of rec=75*b

3150=75*b

3150/75=b

42mm=b

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