B. between 1.5 and 2
is the correct answer.....
HOPE IT HELPS YOU '_'
80/15 simplfies to 5.33 repeating in decimal form.
All sides are equal in an equilateral triangle and the perpendicular bisects the side too.
so BC will be bisected and the segments be 5 each.
you can use Pythagoras theorem to find the altitude length, hypotenuse will be one side of the triangle.

$h^2=100-25=75$
$h=\sqrt{75}=5\sqrt3$
P(4-4)=p(0)=0
0=0
true, they are equivilent
Answer:
edit: i was wrong ignore me