Question

Help Fhdhsgxhshshshxh

Answer 1

Answer:

80

Step-by-step explanation:

Step #1 plug given values into the Pythagorean theorem

$a^{2}$+$b^{2}$=$c^{2}$

a: side 1

b: side 2

c: the hypotenuse (side across from the right angle)

$a^{2}$+$18^{2}$=$82^{2}$

$a^{2}$+324=6724

Step #2 solve for a

$a^{2}$=6724-324

$a^{2}$=6400

a=$\sqrt{6400}$

a=80