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Earn +20 ptsQ: Do isosceles triangles must include a 90 angle true or false?
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True or false all isosceles triangles are also equilateral triangles?
False.
Are all equilateral triangles isosceles true or false?
False. Equilateral triangles are equilateral. All isosceles triangles have two of the sides the same, with the hypotenuse being longer than the other two.
Is it true or false that an isosceles triangle may have a right angle?
It is true.
In an isosceles triangle if a base angle has a measure of 43 degrees then the vertex angle must have a measure of 80 degrees as well true or false?
False because if each base angle is 43 degrees then the apex angle must be 94 degrees
Can an isosceles triangle be scalene?
it's false that the isosceles triangle can be scalene.......
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