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Ch. 3 Geometry Terms

A triangle with 3 acute angles. Acute Triangle
A polygon whose diagonal's points are all within the polygon. Convex Polygon
A polygon with diagonal that contain points outside the polygon. Concave Polygon
A triangle with three congruent angles. Equiangular Triangle
A triangle with three congruent sides. Equilateral Triangle
A polygon whose sides are all congruent. Equilateral Polygon
A triangle with two congruent sides. Isosceles Triangle
A triangle with an obtuse angle. Obtuse Triangle
An equation containing the slope of a line and a point it intersects. y-y1=m(x-x1) Point-Slope Form
A closed plane figure with at least three sides that are segments. Polygon
A polygon that is both equiangular and equilateral. Regular Polygon
A triangle with a right angle. Right Triangle
A triangle with three different side lengths. Scalene Triangle
A equation containing the slope of a line and the y-intercept. y=mx+b Slope-Intercept Form
An equation ax-by=c where a, b, and c are integers and a and b are both not zero. Standard Form of a Linear Equation
A line that intersects two coplanar lines at two points. Transversal
A proof arranged in two columns with the statements on one side and the reasons on the other. Two-Column Proof
Created by: jcgsville