Math, asked by nr66885, 1 year ago

A picture is painted on a cardboard 10 cmlong 8 cm wide leaving a margin of 2.5. Cm along each of its sides find the total area of the margin

Answers

Answered by artcloud
0

10cm - 2.5cm = 7.5cm

8 cm - 2.5cm = 5.5cm

perimeter = 2×(l+b)

                 = 2×(7.5cm + 5.5cm)

                 =2 ×13cm

  margin   = 26 cm

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