Answer:
. It means AC is perpendicular to AB.
Step-by-step explanation:
Vertices of given triangle are A(−2, −2), B(5, −2), and C(−2,22).
Distance formula:

Using distance formula we get



According to Pythagoras theorem


Perpendicular = AC
Base = AB
It means AC is perpendicular to AB.
Hence proved.
Answer: 0.83
Explanation: 4.99/6= 0.83
That looks like associative property glad to help lemme know if its right !