Look kid, this question has been up for 6 hours think its time to let it go......... hoped i helped. ✔verified✔
Well, this question needs to be in English, but if you're asking for 45° + 30°+ 60° it = 135<span>°
I hope I helped =D</span>
Answer:
45º
Step-by-step explanation:
On unit circle 45º = √2/2,√2/2 so its 45º trust me
Complementary angles - the sum of two angles equals 90 degrees
Exterior angle theorem- the sum of the remote interior angles of a triangle equals the outside angle
Isosceles triangle- has two equal sides and two equal angles
Supplementary angle- the sum of two angles equals 180 degrees
Triangle sum theorem- the sum of of interior angles equal 180
Vertical angles- congruent angles that are opposite of each other.
The first one -8-13-18
calculate it
