Answer:
use your brain
Step-by-step explanation:
The triangle Sum Theorem says that the sum of all the angles in a triangle has to equal 180 degrees. Since all three sides (and, consequently, angles) in an equilateral triangle are the same, you can divide 180 by 3 to find the measure of any angle of an equilateral triangle (60 degrees).
Answer:
plus or minus 3 i (imaginary unit i) multiplied by the principle root of 3
