ABCD is a rhombus.

The coordinates of A are (5,11)
The equation of the diagonal DB is y = [tex]\frac{1}{3}[/tex] x + 5
The equation of the diagonal AC can be written in the form y = mx + c where m and c are integers.

Work out the value of m and the value of c.

ABCD is a rhombusThe coordinates of A are 511The equation of the diagonal DB is y texfrac13tex x 5The equation of the diagonal AC can be written in the form y m class=