Yes it is. Input the numbers into the pythagorean theorem,

and if they equal each other it is a right triangle.
Answer:
what's the question that you need answered?
Step-by-step explanation:
?
Answer:
h = 8 feet
Step-by-step explanation:
see attached
Answer:
3
Step-by-step explanation:
15:24 to the lowest term is 5:8. This is because you divide each number by the same number. You will divided 15 and 24 by 3 to get 5:8.