Which relationship is always correct for the angles m, n, and p of triangle abc? n+p=m m+p=n m+p+n=180 degrees m+p+n= 90 degrees

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1