You can name a vector<span> by its length and direction</span>
The statement is true. X= all real numbers
We went from -12 degrees to 27 degrees.
27 - (-12) = 27 + 12 = 39
The halves of the rhombus separated by line BD are equilateral triangles.
∠BAD = 60°
so
∠ADM is 0.80*60° = 48°.
∠BMD is an exterior angle to ΔAMD, so is equal to the sum
∠BMD = ∠BAD + ∠ADM
= 60° +48° = 108°
∠BMD = 108°
