Given that triangle abc is equilateral and line bd is an altitude of triangle abc, how do i prove that line bd is also a perpendicular bisector is line ac? ?

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Does the point (1, sqrt 7) lie on circle shown.

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)