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Any triangle that is not a right angle triangle

Q: Which figure has no right angles but 3 sides?

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Depending on the definition that is used, a trapezium is either a figure with four sides that has no parallel sides (American) or a figure with fours sides that has two parallel sides (British). Either way, a trapezium can not have 3 right angles.

A triangle.

A square, rectangle, or quadrilateral

A triangle.

A rhombus has four congruent sides. The angles don't matter, but if they're right angles, then the rhombus is a square.

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Depending on the definition that is used, a trapezium is either a figure with four sides that has no parallel sides (American) or a figure with fours sides that has two parallel sides (British). Either way, a trapezium can not have 3 right angles.

A square, rectangle, or quadrilateral

A triangle.

The 3 names for this figure are: 1. Square - all sides are parallel, there are 4 right angles, and all the sides are the same length. All squares are quadrilaterals and parallelograms. 2. Quadrilateral - 4 sides. NOT all quadrilaterals are squares, however. 3. Parallelogram - all sides are parallel. NOT all parallelograms are squares, however.

Yes and no. By definition, a quadrilateral is a closed figure with 4 sides. So any square or rectangle will answer your question. However a polygon with 4 sides which are unequal in length will not have 3 right angles.

-- it's a closed, plane figure -- it has 3 sides, 3 vertices, 3 interior angles (any one of these 3 statements implies the other 2) -- the sum of its interior angles is 180 degrees

A triangle.

A triangle has 3 sides and 3 interior angles that add up to 180 degrees.

A square, rectangle, or quadrilateral A square, rectangle, or quadrilateral

A rhombus has four congruent sides. The angles don't matter, but if they're right angles, then the rhombus is a square.

A figure with four right angles is called a rectangle. A specific type of rectangle in which all the sides are of equal length is called a square.

no