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# Howard Geometry 4

### Chapter 4 Geometry Vocabulary

Equiangular A triangle has three congruent angles.
Scalene A triangle has no congruent sides.
Right A triangle has one right angle.
Centroid The point at which the medians of a triangle intersect.
Leg The two sides of a right triangle that make up the right angle.
Median A segment from a vertex of a triangle to the midpoint of its opposite side.
Isosceles A triangle has two congruent angles.
Vertex A point that joins two sides of a triangle.
Base The non-congruent side of an isosceles triangle.
Hypotenuse The side on a right triangle opposite of the right angle.
Corollary A statement that can be easily proven by using a theorem.
Triangle A figure formed by three segments joining three non-collinear points.
Equilateral A triangle with three congruent sides.
Acute A triangle with three acute angles.
Obtuse A triangle with one obtuse angle.
Pythagorean Theorem The formula used to find a missing side of a right triangle.
180 degrees The sum of the measures of the interior angles of a triangle.
Interior Angle The triangle on the inside of a polygon.
Exterior Angle The angle formed on the outside of a polygon made by extending the side to form a ray.
Created by: Brit Howard