Answer: h=6
Step-by-step explanation:
Answer:

Step-by-step explanation:
I think the answer choices were supposed to be:

Pythagorean Theorem: a²+b²=c²
5²+b²=8²
25+b²=64
<em>Subtract 25 from both sides</em>
b²=39
<em>Square root both sides</em>
b=
Our answer is 
That is an isosceles right triangle. (Also known as a 45 45 90 triangle).
Answer:
the answer is nonagon
A nonagon is a polygon made up of 9 sides and 9 angles.