0
False
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An acute triangle is one in which all angles are acute angles.
An acute angle is less than 90°.
A right angle is 90°, which is equal to 90° not less than 90°
Therefore all the angles of a right triangle are not all acute
Thus a right triangle is not an acute triangle.
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Continue Learning about Math & Arithmetic
Is this statement true or false A right triangle is also acute.?
False
True or false a right triangle cannot be an obtuse triangle?
true
A right triangle can be isosceles.True or False?
True
True are false A triangle with sides lengths 40 75 and 84 are a right triangle?
False.
Is it true that an obtuse triangle can have a right angle?
In Euclidean geometry, a triangle must be one of these: acute, obtuse, or right. Maybe there is a non-Euclideangeometry for which some obtuse triangles can contain a right angle, but it doesn't happen in Euclidean geometry.
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