Geom Chapter 4 vocabulary Flashcards

Holt Chapter 4: Triangle Congruence

229280675	acute triangle	A triangle with three acute angles. An acute angle measures less than 90°.
234481963	auxiliary line	A line drawn in a figure to aid in a proof.
234486365	base of an isosceles triangle	The side opposite the vertex angle.
229280676	congruent polygons	Whose corresponding sides and angles are congruent.
234495988	corresponding sides	Sides that are in the same position in polygons with an equal number of sides.
234486366	equiangular triangle	A triangle with three congruent angles.
229280677	equilateral triangle	A triangle with three congruent sides.
229280678	exterior angle of a polygon	An angle formed by one side of a polygon and the extension of an adjacent side.
234486367	included angle	The angle formed by two adjacent sides of a polygon.
234486368	included side	The common side of two consecutive angles of a polygon.
234490623	interior angle	An angle formed by two sides of a polygon with a common vertex.
229280679	isosceles triangle	A triangle with at least two congruent sides.
229280680	obtuse triangle	A triangle with one obtuse angle. An obtuse angle measures more than 90°.
229280681	right triangle	A triangle with one right angle.
229280682	scalene triangle	A triangle with no congruent sides.