It's a half of an equilateral triangle because their angles measure 30° and 60° (an equilateral triangle has 3 angles of 60°)
So x=(2h/√3)/2=h√3=27√3≈15.6
No. Quincy should have used the trend line to find the corresponding x value when y=80.
The answer to your question is option b because opposite angles in a quadrilateral are equal to one another
Answer:
Choice E
Step-by-step explanation:
