Question

the hypotenuse of right angle triangle is 20m.if the difference between the lengths of onther two sided be 4m ,find the sides.​

Answer 1

x²+(x+4)²=20²

x²+x²+8x+16=400

2x²+8x-384=0

x=12 and x=-16

sides cannot be negative

so, sides are 12m and 12+4=16m