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Triangle Vocab

vocabulary on triangles

What is a scalene triangle? Is a triangle whose sides all have different lengths. No sides are equal.
What is an isosceles triangle? Is a triangle with 2 sides are the same lengths.
What is an equilateral triangle? Is a triangle whose sides are all the same lengths.
What does it mean to be congruent triangles? Two triangles that have the exactly the same shape and size.
What are vertical ( opposite) angles? Formed when two lines intersect, the angles that do not share a common side. These angles have equal measures.
What are adjacent (next to) angles? Angles that are next to each other and form a straight line so together they equal 180 degrees.
What is the total measure of all three angles in a triangle? 180 degrees
What are quadrangles or quadrilaterals? Are four sided figures - the sum of all the angles is 360 degrees
Created by: elliehilse