Answer:
165°
Step-by-step explanation:
Equilateral means that the 3 sides are equal length. For this to happen, the triangle needs to also have 3 equal angles, but it is mentionned that it has an obtus angle, therefore, not all angles are the same, meaning the 3 sides also aren't equivalent.
the triangle isn't equilateral
Answer:
x=-1 1/2,x=-1.5
Step-by-step explanation: x=-3/2
Answer:
Either -4n or 0n but most likely -4n
18=3+36x-50x-55
18=3-14x-55
18=-14x-52
70=-14x
x=-5