tolong kak cepat di jawab buat besok soalnya please

Jawab:
pythagoras
a<b < c , maka a²+b²=c²
a)
x, 15 , 20
x/5, 3, 4 --> triple 3,4,5
x/5 = 5
x= 25
b. 4x, 9 , 41 --> triple 9, 40, 41
4x =40
x= 10
c. 26, 3x , 10
13, 3x/2 , 5 --> triple 5, 12, 13
3x/2 = 12
3x= 24
x = 8
d. x, 5, 12 --> triple 5, 12 , 13
x= 13