Answer:
3
Step-by-step explanation:
Whatever number you put between the | | will always come out as positive because of the absolute rule.

The remaining area is 20% of the previous area.
Hope this Helps!
Answer:
106.4622
Step-by-step explanation:
Given the information:
- Leg lengths of
and 
Use the pytagon theory to find the hypotenuse of the triangle
<=>
<=>
<=>
Take the square root of both sides
<=> c = 69.4622
=> expression in simplest form for the perimeter of a right triangle is:
+
+ 69.4622
= 27
+ 64
+ 69.4622
= 106.4622