First you need to make a line that is perpendicular to one side. The diagram is shown below. then the length of the line that is perpendicular to the triangle is

then the area of the equilateral triangle equals to

so the area would be
B. Because of the slope and where it the lines intersect the y axis
Answer: 0.22
Step-by-step explanation:
Answer:
48 people
Step-by-step explanation:
To find 20% of 60, you multiply 60 by .2 and get 12. Subtract 12 from 60, and 48 people were not wearing hats.