are quadrangle and quadrilateral the same?
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Quadrangle. Another name for Quadrilateral (a flat shape with four straight sides).
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If a quadrilateral is a parallelogram, then its opposite sides are congruent. If a quadrilateral is a parallelogram, then its opposite angles are congruent. If a quadrilateral is a parallelogram, then its diagonals bisect each other.
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A square is a parallelogram. This is always true. Â Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. Parallelograms are quadrilaterals with two sets of parallel sides.
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Answer Expert Verified Given: Quadrilateral ABCD is a parallelogram with diagonals that intersect at point E. AD and BC are parallelogram, this means that they are equal in measure.
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A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel . ... Opposite sides are congruent; Adjacent angles are supplementary; The diagonals bisect each other.
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Answer Expert Verified. Given: Quadrilateral ABCD is a parallelogram with diagonals that intersect at point E. AD and BC are parallelogram, this means that they are equal in measure.
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There are five types of quadrilaterals. One common property of all quadrilaterals is that the sum of all their angles equals 360°. Let us look into the properties of different quadrilaterals.
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This is always true. Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. Parallelograms are quadrilaterals with two sets of parallel sides. Since squares must be quadrilaterals with two sets of parallel sides, then all squares are parallelograms.
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Definition: A square is a quadrilateral with all four angles right angles and all four sides of the same length. ... Thus every square is a rectangle because it is a quadrilateral with all four angles right angles.
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A quadrilateral is a four-sided polygon. ... A convex quadrilateral have interior angles 180 degrees or less, a concave quadrilateral has an interior angle measure greater than 180 degrees. Most common quadrilaterals are convex, and they do not have any interior angle measure greater than 180 degrees.
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A quadrilateral is a parallelogram if each pair of opposite sides are equal. Proof: In ∆PQR and ∆RSP, PQ = SR, QR = SP (given) and PR is the common side. Hence, PQRS is a parallelogram.
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If one pair of opposite sides of a quadrilateral are congruent and parallel, then the quadrilateral is a parallelogram. If — BC — AD and — BC ≅ — AD , then ABCD is a parallelogram. If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.
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A square is defined as a quadrilateral with 4 equal sides and 4 equal angles. A rhombus is defined as a quadrilateral with 4 equal sides.
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In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or (100-gradian angles or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted. ABCD.
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In Euclidean plane geometry, a quadrilateral is a polygon with four edges (sides) and four vertices (corners). ... The word "quadrilateral" is derived from the Latin words quadri, a variant of four, and latus, meaning "side".
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A quadrilateral with the opposite side lines parallel is known as a parallelogram. If only one pair of opposite sides is required to be parallel, the shape is a trapezoid. A trapezoid, in which the non-parallel sides are equal in length, is called isosceles.
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There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus. Move your mouse cursor over the figures at the right to learn more.