Question

If ( x, 12, 15 ) is a Pythagorean Triplet then x =?​

Answer 1

Answer:

$9$ $units$

Step-by-step explanation:

Given that $(x,12,15)$ is a Pythagorean Triplet

⇒$x^{2} +12^{2} =15^{2}$

⇒$x^{2} +144 = 225$

⇒$x^{2} = 81$

⇒$x =$±$9$

Since The Length of a side of a triangle cannot be negative.

∴$x = 9$ $units$