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100
triangle with 3 acute angles
What is an acute triangle
100
triangle with 2 equal sides
What is an isosceles triangle
100
set of all points outside a figure
What is the exterior
100
acute, right, obtuse
What are ways of classifying triangles by angles
100
exterior angle is equal to ______
What is sum of 2 remote interior angles
200
triangle with 3 equal angles
What is equiangular
200
triangle with no equal sides
What is a scalene triangle
200
angle formed by 2 sides of a triangle
What is an interior angle
200
equilateral, isosceles, scalene
What are ways of classifying triangles by sides
200
If 2 angles of a triangle are congruent to 2 angles of another triangle, then ______
What is the 3rd angles are also equal (3rd Angle Theorem)
300
triangle with one right angle
What is a right triangle
300
line added to a figure to help in proof
What is an auxiliary line
300
angle formed by 1 side of a triangle and exterior of an adjacent side
What is an exterior angle
300
180 degrees
What is the sum of all 3 angles of a triangle
300
Have same size and shape
What is congruent?
400
triangle with 1 obtuse angle
What is an obtuse triangle
400
theorem whose proof comes directly from another theorem
What is a corollary
400
interior angle that is not adjacent to an exterior angle
What is remote interior angle
400
acute angles of right triangle are ____
What is complementary
400
If polygon LMNP is congruent to polygon ABCD, then side MN is congruent to _____
What is BC
500
triangle with 3 equal sides
What is an equilateral triangle
500
set of all points inside a figure
What is the interior
500
angles/sides in the same position of 2 polygons
What is corresponding angles/sides
500
In an equiangular triangle, each angle measures ____ degrees
What is 60 degrees
500
If polygon LMNP is congruent to polygon ABCD then angle M is congruent to _____
What is angle B