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Q: Is it true that every angle of an acute angle is acute?

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It is true because a triangle with a right angle and two acute angles is a right angle triangle.

this is true

No, because there is no acute angle in a circle.

No

yes in fact every triangle has at least one acute angle

Yes. Every triangle with an obtuse angle must have two acute angles.

a right angle

Sounds true to me, all three angles are congruent...

acute

An angle of 72 degrees is an acute angle

It's not that easy to answer because a straight angle is like a straight line and I think that it would be on either every or none of the shapes that I would know of. Any shape has a right, obtuse,or acute angle. So, I am guessing that no shapes have straight angles. or that a straight angle is in every angle which is not true.

-- An 'acute triangle' is a triangle in which each of the three interior angles is an acute angle. -- Each of the three interior angles in every equilateral triangle is a 60-degree angle. -- Any angle of less than 90 degrees is an acute angle. -- It sure looks like every equilateral triangle does fit the definition of 'acute triangle'.

1 acute angle = 1 acute angle

false

True.

obtuse

An acute angle.

No it is impossible for a right triangle to have an obtuse angle therefore it will have one right angle and two acute angles.

A complement of an acute angle must be an acute angle. An acute angle is an angle whose measure is more than 0 degrees but less than 90 degrees. For example, even if the angle was the minimum 1 degree, the complement is still 89 degrees, which is still acute. Therefore, any combination of a complement of an acute angle MUST be acute.

true.

"z" has two acute angles a triangle can have 3 acute angles but also will have a angle >= 60degrees acute (also note for every acute angle a obtuse angle is formed the sum of the obtuse and acute angle will = 360) because of this a arrow is the only shape with two acute angles and 1 obtuse

True

An acute angle is an angle that measures less than 90 degrees. See the related link, "Acute Angle Pictures" for a diagram of some acute angles.

An acute angle is an angle less than 90°. So an angle of 17° is an acute angle.

If an angle is acute, it can't also be a right angle.

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