Answer:
im going to say its B
Step-by-step explanation:
A^2 + B^2=C^2 so there for the hypotenuse (13^2) - (5^2) will give you the last side
27.928cm² the process is shown in the following picture
The answer is A. 25%
the reason for this answer is to find the percentage, u must divide 100/80 and u get 1.25
the one represents the 100% and the .25 represents 25%
hope this helps!