the length of a triangle exeefs its width by 4 m .If its perimeter is 40 m, find its dimensions?
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Let the width be x.
Then the length will be x+4.
We know that perimeter = 2(l + b)
40 = 2(x+4+x)
40 = 2x + 8 + 2x
40 = 4x + 8
x = 8.
The length will be x + 4 = 12.
Therefore the length will be 12cm and breadth will be 8cm.
Then the length will be x+4.
We know that perimeter = 2(l + b)
40 = 2(x+4+x)
40 = 2x + 8 + 2x
40 = 4x + 8
x = 8.
The length will be x + 4 = 12.
Therefore the length will be 12cm and breadth will be 8cm.
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