1.

A right angled triangle hasangle of measure 90°*4O123​

Answer»

A right triangle has ONE ANGLE equal to 90 DEGREES. A right triangle can also be an ISOSCELES triangle--which means that it has TWO sides that are equal. A right isosceles triangle has a 90-degree angle and two 45-degree angles. This is the only right triangle that is an isosceles triangle.



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