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Types of triangles

Lecture




Types of triangles

A triangle is called versatile if any two sides of it are not equal to each other. Δ ABC and Δ DEF versatile triangles.

Types of triangles

A triangle, all sides of which are equal, is called equilateral. Δ PKM is an equilateral triangle.
On the sides of the triangle put dash to graphically show equal and different along the length of the triangle. If the number of lines on the sides of the triangle coincides, then these sides are equal. PK = PM = KM.

Types of triangles

A triangle is called an acute angle if all its corners are sharp. A triangle is called obtuse if one of its corners is obtuse.

created: 2014-10-05
updated: 2021-12-24
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Planometry

Terms: Planometry