The perimeter of an rectangle is 13 cm and it's width is 2 3/4 cm.find it's length.
Answers
Answered by
4
Let the length be x cm .
perimeter = 13 cm
so, length= 2(length + breadth) =perimeter
=2( x + 23/4) = 13
=2(4x + 23/4) = 13
=4x+23/2 = 13
=4x+23 = 13×2
=4x = 26-23
=4x=3
therefore, x = 3/4
perimeter = 13 cm
so, length= 2(length + breadth) =perimeter
=2( x + 23/4) = 13
=2(4x + 23/4) = 13
=4x+23/2 = 13
=4x+23 = 13×2
=4x = 26-23
=4x=3
therefore, x = 3/4
Similar questions