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Measure it and if it is 90 degrees, then it is a right angle

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10y ago

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How can you tell if a right triangle is a right triangle?

if it has a right angle


How can you tell if a triangle is a right angle?

If it has a 90 degree angle and two acute angles then it is a right angle triangle.


What it the right angle?

A right angle is an internal angle equal to 90o You can tell if an angle is a right angle because it has a little symbol which is a square where the two lines meet to form the angle. A right angle is a quarter of a circle. Lines that are at a right angle are perpendicular to each other.


A right angle is some times called a ................................ what tell me the answer?

90 degree angle


How do you tell if 2 sides and an angle make a non-right triangle?

If it has an obtuse angle


Is a triangle with the length of 72425 a right angle triangle?

No way to tell as we don't know an angle or another side.


A right angle has one right angle?

a right angle is a right angle


How can you tell by a triangle's side lengths if it is a right triangle?

If the tree sides of the triangles form a Pythagoras triplet then we can say that the angle opposite to the greatest side is a right angle.


Why is a right angle sometimes called a right angle?

Because a right angle is a right angle.


What does the measure in degrees tell you an angles?

It tells you if the angle is acute, right, obtuse or reflex.


What is 90 angle degrees?

A right angle is an angle of 90 degrees.


What is an right angle right angle-an angle that has a?

Assuming your question is what makes a right-angle, it is an angle of 90o .