If AB = CD, then
5(x - 4) = 5x - 20
If M is the midpoint of
If a = 5 and b = 3a, then b = 15.
If
If lines x and y intersect at a right angle, then they are perpendicular
AB + BC = AC
If
If 3x + 4x = 14, then 7x = 14.
If C is on the interior of
If
If lines m and n are perpendicular, then they intersect to form right angles.
If V is the midpoint of
If
If