Download Isosceles Triangle (name the parts)

Geometry 4.2-4.3 Notes
Isosceles Triangle (name the parts)
If a triangle is isosceles, then its base angles are
congruent.
October 27-28, 2015
Geometry 4.2-4.3 Notes
October 27-28, 2015
If a triangle has two congruent angles, then the
opposite sides of the congruent angles are also
congruent making the triangle an
___________________triangle.
Triangle Inequality:
The sum of the lengths of any two sides of a triangle
is greater than the length of the third side.
Geometry 4.2-4.3 Notes
October 27-28, 2015
Triangle "Side-Angle" Inequality:
In a Triangle the LARGEST side is opposite the
_______________________________
and
the smallest side is opposite the
_______________________________
Exterior Angle of a Triangle (label the parts)
The measure of the Exterior Angle is equal to the
_______________________________
Hand In Geometry Worksheet
4.2: p. 206-208: 1-11, omit 9
4.3: p. 216-218: 1-17, 19-23