Question

What is the length of JO ifMO = 2.5 cm and the diagonalMK is twice the length ofdiagonal JL? Give reasons foryour answer.​

Answer 1

Answer:

correct point is © 40cm

let breadth=x

length =2x

area of rectangle=2x ×x

2xsquare

After the given changes;

length=2x-5

breadth=x+5

Area =2xsquare+ 75

(2x-5) (x+5) =2x square+75

2xsquare -5x+10x-25=2xsquare +75

5x=75+25=100

x=20

breadth=20cm

length=40cm