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C-17 Triangle Sum Conjecture – (4.1)
C-18 Isosceles Triangle Conjecture – (4.2)
The sum of the measures of the angles in
every triangle is _________.
If a triangle is isosceles, then its _________
___________ are _____________.
C-19 Converse of the Isosceles Triangle
C-20 Triangle Inequality Conjecture - (4.3)
Conjecture – (4.2)
If a triangle has two congruent angles, then it The sum of the lengths of any two sides of a
is an __________________ ___________. triangle is _____________ _________ the
length of the third side.
C-21 Side-Angle Inequality Conjecture (4.3)
C-22Triangle Exterior Angle Conjecture(4.3)
In a triangle, if one side is longer than another
side, then the angle opposite the longer side is
____________ than the ___________
_________________ the __________ side.
The measure of an exterior angle of a triangle
is equal to the _______ of the measures of
the __________ __________ _________.
C-23 SSS Congruence Conjecture – (4.4)
If the three sides of one triangle are
congruent to the three sides of another
triangle, then the ________ _____ ______.
C-24 SAS Congruence Conjecture – (4.4)
If two sides and the _________ angle of one
triangle are congruent to two sides and the
included angle of another triangle, then they
____________ ______ ___________.
C-25 ASA Congruence Conjecture – (4.5)
C-26 SAA Congruence Conjecture (4.5)
If two angles and the ___________ side of
one triangle are congruent to two angles and
the ___________ angle of another triangle,
then they are ______________.
If two angles and a non-included side of one
triangle are congruent to the corresponding
two angles and non-included side of another
triangle, then they _______ ____________.
C-27 Vertex Angle Bisector Conjecture
(4.8)
In an isosceles triangle, the bisector of the
vertex is also _____ __________; and the
_____________to the base.
C-28 Equilateral/Equiangular Triangle
Conjecture (4.8)
Every equilateral triangle is _____________ ,
and, conversely, every _________________
____________ triangle is ______________.