Vocab Flashcard 2.4

Front

Triangle with 2 congruent sides

Back

Isosceles Triangle

Front

Triangle with an angle > 90°

Back

Obtuse

Front

Two adjacent angles summing to 180°

Back

Linear Pair

Front

Triangle with one angle of 90 degrees

Back

Right

Front

Sum of lengths of any two sides of a triangle > length of the third side.

Back

Triangle Inequality Theorem

Front

Triangle with all angles < 90°

Back

Acute

Front

Measure of an exterior angle equals the sum of the two non-adjacent interior angles.

Back

Exterior Angles Theorem

Front

Triangle with 3 equal sides

Back

Equilateral

Front

Triangle with 3 different side lengths

Back

Scalene

Front

Interior angles of a triangle sum to 180°.

Back

Triangle Sum Theorem