Obtuse because it only takes one obtuse angle to make an obtuse triangle
Answer:
692.5
Step-by-step explanation:
Try this suggested solution, note, 'D' means the region bounded by the triangle according to the condition. It consists of 6 steps.
Answers are underlined with red colour.
Answer:
B
Step-by-step explanation:
I think it is not possible to find a certain equation from just a given points, it must have more given information because there is a lot of parabola pass throw (-1,1).