self Maths Puzzle

The perimeter of a rectangle is 20 cm. The length of the rectangle is 3 cm less than 2 1/4 times the width. Find the dimensions of the rectangle

Read Solution (Total 2)

length=6cm and breath=4cm
11 years agoHelpfull: Yes(0) No(0)

let length=x,breadth=y
given,2(x+y)=20
or x+y=10
also,x=(9/4)*y-3
or -x+(9/4)*y=3
add both eqn
(1+9/4)*y=13
or y=4
so x=6
dimensions of the rectangle=6cm*4cm
11 years agoHelpfull: Yes(0) No(0)

self Other Question

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