Never, just by the definition of scalene triangle and regular polygon. A scalene triangle has three different angles, and a regular polygon is a polygon who's angles are all congruent. Therefore, a scalene triangle is never a regular polygon.
I don’t have a calculator on me but I can work you through the steps. 1) you’re going to set 2x-10 equal to 70 and solve for x so it should look like 2x-10=70 once you get x you can plug that into both equations and solve, you then should have all the angles!
Answer:
It's B,
Step-by-step explanation:
It looks so messy
Angel 3 is adjacent to Angel 4 therefore they are equal.
