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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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Earn +20 ptsQ: What are at least 12 facts about the triangle?
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Continue Learning about Math & Arithmetic
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.
Can a triangle have at least 1 acute angle?
Yes. In fact, a triangle must have at least two acute angles.
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