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Does a triangle have 2 congruent sides?
Some, but not all. Triangles with 2 congruent sides are called isoceles triangles. Triangles with 3 congruent sides are called equilateral triangles.
What mathematical term rhymes with square and refers to triangles?
How about 'triangular'
A valid argument which shows that a mathematical statement called a theorem is true?
Pythagoras' theorem is only theorem regarding right angle triangles but it is true.
What is all three sided shapes called?
Triangles.
Some equilateral triangles are not isosceles?
All isosceles triangles are not equilateral triangles
Are all equilateral triangles acute triangles?
Yes all equilateral triangles are acute triangles, but not all acute triangle are equilateral triangles.
What is a 3 sided triangle called?
All triangles have three sides
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.
Are all triangles semmetrical?
No. But all isosceles triangles and equilateral triangles are.
Are some isosceles triangles equilateral triangles?
All isosceles triangles are not equilateral triangles
If two triangles have three pairs of congruent angles are the triangles guaranteed to be congruent?
No- triangles with all angles respectively equal need not be congruent. For example, all equilateral triangles have 3 angles of 60 degrees each but the the sides could be any length. However the sides of such triangles are proportional - such triangles are called similar. They look alike except for their scale.
What are the mathematical criteria of similarity of triangles?
Two triangles are similar if they have:Two of the corresponding angles are equalTwo of the corresponding sides are in the same ratioRefer to link below for more details.
