How is a proportional relationship different from a non-proportional relationship?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

What is the difference between the equations of a vertical and a horizontal line?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi