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acute triangle: has two angles less than 90 degrees
obtuse triangle: has one angle more than 90 degrees
right triangle: has a 90 degree right angle
equilateral: all three sides are the same length
isosceles: two sides are the same length
scalene: all the sides have different lengths
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Are triangles equilateral?
Some triangles are equilateral, but not all of them. There are three types of triangles. Triangles which have three equal sides and three equal angles are called equilateral triangles. Isosceles triangles have two equal sides and two equal angles. Scalene triangles have no equal sides and no equal angles.
What shape has three different sized sides?
A three-sided shape is called a triangle. There are three types of triangles: equilateral triangles, iscosceles triangles, and scalene triangles. Equilateral triangles have all equal sides and angles; iscosceles triangles have two congruent legs and a base, and scalene triangles do not have any equal sides or angles.
Are there triangles with 4 sides?
No. Triangles all have three sides.
What can you make with 3 triangles?
we can make a trapezium with 3 equal triangles.
Does a triangle have any lines of symetry?
Scalene triangles have none. Isosceles triangles have one, and equilateral triangles have three.
