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No. In fact, if one of the angles is not acute (a right angle or obtuse), the other two must be acute.

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Q: If two angles of a triangle are acute must the the third angle always be acute?
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Related questions

Can a triangle with a obtuse angle have two acute angles?

Yes. A triangle can have only one obtuse angle. The other two angles will always be acute.


What is a real life example of an acute angle?

A right angle triangle always has 2 acute angles within it.


How do you classify a triangle by its angles?

If all three angles of a triangle measure less that 90 degrees (if all three angles are acute), the triangle is an acute triangle. A triangle that has a right angle (an angle the measures exactly 90 degrees) is a right triangle. (The other 2 angles will be acute angles.) A triangle that has an angle that is greater than 90 degrees (an obtuse angle), is an obtuse triangle. (The other 2 angles will be acute angles.)


All angles in a scalene triangle are acute?

A scalene triangle could have three acute angles, one right angle and two acute angles, or one obtuse angle and two acute angles.


What are the different kinds of angles and triangle according to size and its angles?

Angles: acute angle, obtuse angle, right angle Triangles: isosoles triangle, scalene triangle, equadrital triangle, right triangle, acute triangle, obtuse triangle


Can a triangle have a right angle and an acute angle?

No A right angle has 90 degree A triangle has 180 degreeYes, a right triangle has one right angle and two acute angles. The sum of the acute angles is 90°.


Is a scalene triangle always an obtuse triangle.?

A scalene triangle can have an obtuse angle and two different acute angles or three different acute angles but all angles in a triangle must add up to 180 degrees.


Does and acute has a right angle and two acute angles?

no an acute triangle does not have a right angle. if it had a right angle, it would be called a right triangle. to be an acute triangle, the triangle needs two angles that are smaller than 90 degrees.


Which triangle has one right angle and two acute angles?

a right triangle has one right angle and two acute angles


Can an acute triangle have all acute angles?

An acute triangle *is* a triangle with all acute angles. For example, an equilateral triangle where all three angles are 60°.If a triangle has one 90° angle, then it is a right triangle.If it has one angle greater than 90°, then it is an obtuse triangle.


What is a characteristic of a triangle right triangle and obtuse triangle?

A right angle triangle has a 90 degree angle and 2 acute angles An obtuse triangle has 1 obtuse angle and 2 acute angles


Does a acute angle have three angles?

Yes... an acute triangle does have three angles to it.