Question 806132
Breadth-----x cm
length-----2x cm

Area = 2x^2

length & breadth increased by 5

breadth = x+5
length = 2x+5

Area = (x+5)(2x-5)

Area increased by 75 cm^2

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

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

5x-25=75

5x=100

x=20

breadth = 20cm
length = 20*2=40 cm