The base angles of an isosceles tri. Are congruent
Always
The verticies of a tri are colinear points
Never
The diagonals of a llogram are congruent
Sometimes
The supplement of an acute angle is an obtuse angle
Always
An equilateral triangle is isos
Always
Supp angles are adjacent angles
Sometimes
A Median of a tri bisects side of tri
Always
The diagonals of a trap bisect each other
Never
In a kite one diagonal is the perpendicular bisector of the other
Always
Vertical angles are supp
Sometimes
If a median of a triangle is also an altitude then it id an angle bisector of that triangle
Always
An angle bisector of a scalene triangle is also an altitude of that triangle
Never
If a diagonal if a quad divides it into 2 congruent right triangles then it is a rectangle
Sometimes
Lines that never intersect are parallel
Sometimes
The supp of an angle is obtuse
Sometimes
An altitude of a triangle bisects an angle of the triangle
Sometimes
The union of two opposite rays is a straight angle
Always
The base angles of an isos triangle are obtuse
Never
If two triangles have their corresponding sides congruent then their corresponding angles are congruent
Always
If the mesure of an angle is three timed the measure of its supp then the angle is 45
Never
True or False 21-29: Perpendicular lines cam be assumed from a diagram
False
The supplement of an angle is acute
False
The altitude to the base of an isos triangle is also a median
True
