Question

lenght of a drawing baord is 40 cm and breath is 3cm . A4 cm wide border is left along all the four sides and the picture is drawn inside it. Find the area of the border.​

Answer 1

Answer:

4800

may it's help you all the best

Answer 2

Length of board = 40cm
Breadth of board = 3cm
Area of drawing board = l x b
= 40 x 3 = 120 sq. cm

Length of side of border = 4cm
Area inside the border = side x side
= 4 x 4 = 16 sq. cm (as it is a square)

Area of border = area of board - area inside of border = 120 - 16 = 104 sq. cm


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