PLEASE HURRY ILL GIVE YOU MORE POINTS Which biconditional statement is valid?
Y is the midpoint of XZ if and only if Y is on XZ
A and XY - YZ.
B
A quadrilateral is a square if and only if it has four
congruent sides.
A triangle is scalene if and only if the sum of the lengths of
C two of its sides is greater than the length of the third side.