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It has 3 sides
It has no diagonals
It has 3 interior angles
It has 3 exterior angle
Interior angles add up to 180 degrees
Exterior angles add up to 360 degrees
Can be right angled
Can be equilateral
Can be obtuse
Can be isosceles
Can be scalene
Multiples of a triangle can form other polygons
Its lengths, area and angles can be determined by means of trigonometry
Pythagoras' theorem is applicable to all right angle triangles
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What are facts about the isosceles triangle?
An isosceles triangle has two equal sides
A triangle with at least two sides congruent?
An isosceles triangle
What has at least one vertex?
a scalene triangle a scalene triangle
What kind of triangle has at least two sides of equal length?
A triangle with at least two sides of equal length is called an isosceles triangle.
What are at least facts regarding the properties of an equilateral triangle?
1 It is a triangle 2 It has three sides 3 Each side is the same length 4 Each internal angle is the same size 5 Each external angle is the same size
What are facts about the isosceles triangle?
An isosceles triangle has two equal sides
What are facts about regular triangles?
In a equilateral triangle (or regular triangle) the three sides have equal length.
A triangle with at least two congurent sides?
Isosceles triangle
What is a triangle with at least 2 sides equal?
It is an isosceles triangle.
A triangle with at least two sides congruent?
An isosceles triangle
What has at least one vertex?
a scalene triangle a scalene triangle
What kind of triangle has at least two sides of equal length?
A triangle with at least two sides of equal length is called an isosceles triangle.
Facts about triangles?
the family group of the triangle is percussion.
Who theorized the triangle?
No one. A triangle is not a theory. The mathematics of a triangle are not theories they are facts. Some people that showed this to be so are Pythagoras and Euclid.
What are at least facts regarding the properties of an equilateral triangle?
1 It is a triangle 2 It has three sides 3 Each side is the same length 4 Each internal angle is the same size 5 Each external angle is the same size
Can a triangle have at least 1 acute angle?
Yes. In fact, a triangle must have at least two acute angles.
A type of triangle that has at least two congruent sides?
An isosceles triangle
