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As there are two sides equal in an isosceles triangle,they both have two add up to
90 degree.One is 45 degree while the other one is 45 degree too.So as it has a right angle,it has one angle as 90 degree.45+45=90+90=180.So the sum of an right angled isosceles triangle is 180 degree.
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The interior-angle sum of every triangle is 180 degrees. Every triangle is the same.
360 degrees because if you add the angles in any shape the answer is 360
360 degrees because if you add the angles in any shape the answer is 360
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Continue Learning about Other Math
What is the total angle measure of isosceles triangle?
The sum of all three interior angles of any triangle, isosceles or not, is 180 degrees.
What triangle has one right angle and can be an isosceles?
A triangle that has one right angle and is isosceles is called an isosceles right triangle.
Does an isosceles triangle have a 90 degree angle?
An isosceles triangle can have a 90 degree angle, but doesn't necessarily. Similarly, a right triangle can be an isosceles triangle, but isn't necessarily.
Does an isosceles triangle have an angle of rotation?
No.
What is an isosceles obtuse triangle?
An isosceles obtuse triangle is a triangle with 1 obtuse angle and only 2 congruent sides.
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