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Which shape has less than 4 sides has a right angle and is not a quadrilateral?
A right angle triangle
What two angles that are less than a right angle?
A null angle and an acute angle are less than a right angle.
What is a closed shape with 6 line segments 2 angles less than a right angle and no right angles?
You are an irregular hexagon.
Do triangles have at least 2 acute angles?
Yes. The sum of the angles in a triangle is 180° All angles in a triangle must be greater than 0° which means that the sum of any two angles must be less than 180° If two angles are right angles (90°), their sum is 180° which is not less than 180°; thus at most one angle can be a right angle. If one angle is a right angle and another is an obtuse angle (greater than 90°), then their sum is greater than 180°, which is not less than 180°; thus there can be at most one of a right angle and an obtuse angle. If two angles are obtuse angles, their sum is greater than 180°, which is not less than 180°; thus there can be at most one obtuse angle. If there is at most one right angle or an obtuse angle, there must be at least two acute angles.
Which angle measures less than a right angle?
An acute angle
