Question 63
The length and breadth of a painting is 15 cm and 10 cm respectively. A 1 cm wide border is made around the painting.
What is the area of border?
Solution
Given, Length of the painting = 15 cm
Breadth of the painting = 10 cm
Area of the painting = 15*10 = 150 sq.cm.
Length of the painting including border = 15+1+1 = 17 cm
Breadth of the painting including border = 10+1+1 = 12 cm
Area of the painting including border = 17*12 = 204 sq.cm
Therefore, Area of the border = 204 - 150 = 54 sq.cm.
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