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

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9y ago
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Q: How can you tell if a triangle is a right angle?
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Related questions

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

if it has a right 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.


When one angle in a triangle is right angle it is called as?

A right angle triangle


Does a right angle triangle have 90 degree angle?

Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!Yes. That is why it is called a right angle triangle!


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

If it has an obtuse angle


A triangle with one right angle?

A triangle with 1 right angle is a right angle triangle.


What is equivalence logic?

1. A triangle is a right triangle if and only if it has a right angle. 2. A triangle has a right angle if and only if it is a right triangle.


If a triangle has no obtuse angle then it is a right triangle?

It could be a right triangle if it has a right angle (90 degrees). If it does not have a right angle, then it is an acute triangle.


If a triangle has a right angle it is a right triangle. If and only if a triangle had a right angle it is a right triangle?

A right angle triangle has a right angle and two acute angles that all add up to 180 degrees.


How do you tell if a triangle is a right angled triangle?

One angle (corner) must to 90 degrees.


1 If a triangle has a right angle it is a right triangle?

Yes it is a right angle triangle.


What is a triangle with one right angle?

a right triangle has one right angleA triangle with a right angle is a right triangle.