The answer to this question has to be 9
Answer: The lengths of DE and EF are congruent, and their slopes are opposite reciprocals.
Step-by-step explanation: A right isosceles triangle doesn’t need to have the same slope.
Answer
-8x^2+14x+14
Step-by-step explanation:
instructions included above :)
Answer:
Step-by-step explanation:
Use the formula,
distance = √[(x1-x2)^2 + (y1-y2)^2]