Question

PLEASE HELP!!! find the value of x. if necessary, write your answer in simplest radical form

Answer 1

Answer:

$\sqrt{80}$

Step-by-step explanation:

a^2+b^2=c^2

8^2+x^2=12^2

64+x^2=144

x^2=80

$\sqrt{80}$

Answer 2

Step-by-step explanation:

using Pythagorean theorem

a²+b²=c²

12 hypotenuse and let us say 8 is the 'a'

=> 8²+x²=12²

=>64+x²=144

=>x²=144–64

=>√x²=√80

=>x=4√5