Lines of symmetry if the triangle is isosceles.
4, 2, 1
Answer:
27.5 inches^2
Step-by-step explanation:
Area of a triangle =

Plugging in the equation,

72 what in inches? please clarify
The slope is 0!! any horizontal line, like y = 1, y = 2, y = any other number, has a slope of 0. because it's a horizontal line, it's flat, so there isn't any incline or decline. just as a note: vertical lines (x = 1, etc.) have an undefined slope.