Question

the length and breadth of a rectangle are in the ratio 4:3 if the diagonals has measure 25 cm then the perimeter of the rectangle is​

Answer 1

(4x)2+(3x)2=(25)2

16×2+9×2=625

x=(625÷25) with under root

x=5

then 4x=20,3x=15

perimeter is 2(l+b)

2(20+15)

2×35=70

answer