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A triangle is acute if it is less than 90 degrees. It is obtuse if more than 90 degrees

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Q: How do you know if a triangle is acute?
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Related questions

A triangle that has three 3 acute angles is a what?

A triangle with 3 acute angles is an acute triangle. All the angles in an acute triangle are acute.


Is an acute triangle sometimes an isosceles?

An acute triangle can be an isosceles triangle, but it doesn't have to be. An isosceles triangle can be an acute triangle, but it doesn't have to be.


A triangle with three acute angles?

An Acute Triangle


What is a triangle with all acute angle?

An acute triangle.


If a triangle has one acute angle is the triangle necessarily acute?

No, an acute triangle must have all 3 angles under 90 degrees. A triangle can have an acute angle and still be a right triangle or an obtuse triangle.


If a triangle has one acute angle is the triangle acute?

yes, it only needs one acute angle out of the three to make it an acute triangle.


How many line of symmetry does an acute triangle has?

An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.


How many acute angles are in an acute triangle?

In an acute triangle, all three angles are acute.


What is the difference between an acute triangle and an obtuse triangle?

An acute triangle has three interior acute angles An obtuse triangle has one obtuse and two acute interior angles


A triangle having three acute angles?

It is an acute triangle.


What is an acute triangle?

A triangle with an acute angle.An acute triangle has all three angles less than 90 degrees.


How many acute angles are in a acute triangle?

there are three acute angles in an acute triangle, because there are three corners.