Question

A carrom board size 1.2 m *1.2 m has a 5cm broad border on the inner side. Find the area of border.

Answer 1

The area of border is 24 cm2

Answer 2

l=1.2m(120 cm)
b=1.2m(120 cm)

area of outer square=120×120
=14400cm²

120-10=110cm

area of inner square=110×110
=12100cm²

area of border=area of outer square - area of inner square
=14400-12100
=2300cm²=23m²

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