which statement describes a characteristic that a pentagonal pyramid and triangular prism have in common?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

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