No, the slope would have to be the opposite reciprocal. If the slope on the second equation would have been -1/4, it would be perpendicular.
5 is the answer to your question.
Answer:
C) 36 feet
Explanation:
P(square)= 4s
s= square root of the area

Hey there!
Yes this triangle is a right triangle. Leg lengths 4 and 5 in. would be the legs and the 7 inch would be the hypotenuse.
Hope this helped!