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Triangles

TermDefinition
180 Degrees The sum of the degrees of a triangle
Right A triangle containing one 90 degree angle
Obtuse A triangle containing one angle that is greater than 90 degrees but less than 180 degrees
Acute A triangle containing three angles that are less than 90 degrees
Equilateral A triangle with congruent sides
Scalene A triangle with no congruent sides
side 1 + side 2 > side 3 What is true about the measure of the sides of a triangle?
Triangle A closed 2-dimensional figure with three sides and three angles
Isosceles A triangle with a pair of congruent sides
Congruent Segments A tic mark made on geometric figures to show same size
Similar Figures that are the same shape; corresponding sides are proportional between figures.
Angles and Sides A triangle is classified by its _____________.
Vertices A triangle is named by its three ____________.
Δ Triangle
Created by: WGMS107
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