SOLUTION: the length of a rectangle mat is 4 m and its breadth is 2.5 m. A 0.1 m wide border is attached to it on all four sides. What is the area of the border?

Algebra ->  Rectangles -> SOLUTION: the length of a rectangle mat is 4 m and its breadth is 2.5 m. A 0.1 m wide border is attached to it on all four sides. What is the area of the border?      Log On


   

Question 935506: the length of a rectangle mat is 4 m and its breadth is 2.5 m. A 0.1 m wide border is attached to it on all four sides. What is the area of the border?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
area of the bordered mat:
a = (4 + 0.1)*(2.5 + 0.1)
a = 10.66
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area of the border-less mat:
b = 4 * 2.5
b = 10
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area of border only:
a - b = 0.66 sq.m
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