Parallel lines should have the same slope. Therefore, you know which point it passes through and the slope. Plug in the points and slop into slope-intercept form to find b. Please refer to the picture.
The ODE is separable:

Integrating both sides gives

Answer is square with the side of 212 inches. It's area is 212×212 which is bigger than rectangular area.
Answer:
a*2+b*2+c*2+d
Step-by-step explanation:
If i's meant to be Pythagorean theorem, a*a+b*b=c*c