I believe A is the correct answer
A^2+b^2= c^2
48^2+b^2= 80^2
2304+b^2= 6400
Subtract 2304 from both sides.
b^2= 4096
Find the square root.
b= 64
I hope this helps!
~kaikers
Answer:
In triangle DEF:
Given:
,
and 
To list the sides of a triangle in order from shortest to longest.
In the Figure as shown below :
If one of the angle of a triangle is larger than, then the sides opposite the larger angle is longer than the side opposite to the shorter


Therefore, the list of the sides of a triangle DEF in order from shortest to longest is, 
Answer:sorry
Step-by-step explanation: I don’t know