Answer:
They are equal
Step-by-step explanation:
All the sides are equal, because you use the pythagoreon theorem to find out that all the sides are equal.

now, a line perpendicular to that one, will have a "negative reciprocal" slope, thus
Answer:
Answer: -7
Step-by-step explanation:
Answer:
7
The 6 is in the tenths place and the 7 is in the ones place.