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All isosceles triangles: - Have angles that add up to 180 degrees - Have two equal sides. The unequal side is called the base. - Have equal base angles. - Have areas and perimeters that can be found using the formulas Area=1/2 X (base X height) and Perimeter=side+side+side An equilateral triangle with a right angle is called a right isosceles triangle. Also, all equilateral triangles are isoceles triangles, but not all isosceles triangles are right triangles.
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Are some isosceles triangles equilateral triangles?
All isosceles triangles are not equilateral triangles
What do two isosceles look like?
It depends on isosceles WHAT? There are isosceles triangles, isosceles trapezia, for example.
Are all isosceles triangles congruent?
no because isosceles triangles only have two congruent sides and the other one is different
What are two isosceles triangles with congruent vertex angles?
They're similar triangles.
What are three triangles?
scalene, isosceles and equilateral.
