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An isosceles triangle has 3 sides 2 of which are equal in length

An isosceles triangle has 3 interior angles 2 of which are the same size

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Q: How can you prove that a triangle is an isosceles triangle with some examples?
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Related questions

Can you show a picture that has a triangle with 2 acute angles?

Go to google.com/images and search "obtuse isosceles triangle", that should get you some good examples.


Can some scalene triangle are isosceles triangle?

No, because a scalene triangle is a triangle with no sides the same length. An isosceles triangle is a triangle with two sides the same length and one side different


Why are isosceles triangle always equal?

Isosceles triangles are not always equal. Some are large some are small, some have two long sides that are equal, and some have two short sides that are equal. Every isosceles triangle has two sides that are of equal length; that is what makes it isosceles.


What are some examples of scalen triangles?

A scalene triangle is a triangle that does not have a right angle in it (i.e. not a right angled triangle) and does not have two (or three) sides with the same length (i.e. not an isosceles triangle or an equilateral triangle). An example is a triangle with sides of length 4cm, 5cm and 6cm.


What are some related words for isosceles triangle?

uneven


Can an isoceles triangle be equilateral?

-- Some mathematicians define an 'isosceles' triangle as one with at least twoequal sides. They would say that equilateral triangles are isosceles.-- Other mathematicians define an 'isosceles' triangle as one with exactly twoequal sides. They would say that equilateral triangles are not isosceles.


Is the isosceles triangle is always a right triangle?

It usually is a right angle that represents an isosceles triangle but there are some cases that the right and left side are equal and the base is the one with an unequal length.


Triangle with all acute angles called?

equilateral triangle, acute triangle, some isosceles and scalene triangles


Is a scalene triangle an equilateral triangle?

technically, triangle classes have a bulls-eye type name graph, with equilateral triangles in the middle, then isosceles, then scalene, so technically, some scalene triangles are isosceles and some are equilateral, but not all are.


How do you spell the kinds of triangles?

Some types of triangles are: scalene triangle equilateral triangle isosceles triangle acute triangle right triangle obtuse triangle


How are equilateral isosceles and scalene different?

Equilateral triangles have all sides and angles equal, isosceles triangles have two sides and angles equal, and scalene triangles have no sides or angles equal. In other words, equilateral triangles are a special case of isosceles triangles, and isosceles triangles are a special case of scalene triangles.


Are some isosceles triangles acute?

Yes. Consider a triangle ABC with the following angles:A = 40B = 70C = 70Angles B and C are equal, which means the triangle is isosceles. All three angles are less than 90 degrees, which means the triangle is acute. Therefore, the triangle is both isosceles and acute.