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Is it possible to measure the length of a pair of two opposite rays?
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What is the name of a quadrilateral with both pairs of opposite sides parallel?
This is called a Parallelogram. Each pair of opposite sides will then be the same length. If all four sides are the same length, and opposite sides are parallel, then it is a rhombus. NB: If all four sides are the same length then the opposite sides must be parallel.
What has opposite angles congruent?
Any polygon with an even number of sides (vertices) in which at least one pair of opposite angles are of the same measure.
What is a quadrilateral that has 2 pairs of equal length sides and 1 pair of opposite equal angles?
A kite.
Are the opposite sides equal in a parallelogram?
Yes, each pair of two opposite sides is parallel and equal in length. This is necessary to achieve the symmetry of the angles.
How are all area models of prime numbers similar?
They all have a pair of opposite sides whose length is 1.
Which shape has one pair of opposite sides that are parallel but not equal in length?
trapezoid
What is the name of a quadrilateral with both pairs of opposite sides parallel?
This is called a Parallelogram. Each pair of opposite sides will then be the same length. If all four sides are the same length, and opposite sides are parallel, then it is a rhombus. NB: If all four sides are the same length then the opposite sides must be parallel.
What has opposite angles congruent?
Any polygon with an even number of sides (vertices) in which at least one pair of opposite angles are of the same measure.
What is a quadrilateral that has 2 pairs of equal length sides and 1 pair of opposite equal angles?
A kite.
Are the opposite sides equal in a parallelogram?
Yes, each pair of two opposite sides is parallel and equal in length. This is necessary to achieve the symmetry of the angles.
How are all area models of prime numbers similar?
They all have a pair of opposite sides whose length is 1.
What is a quadrilateral with four sides in which each pair of opposite sides are parallel and equal in length?
That quadrilateral is known as a 'parallelogram'.
A pair of adjacent angles whose noncommon sides are opposite rays?
A pair of adjacent angles whose non-common sides are opposite rays are called a linear pair. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.
A rhombus is a parallelogram?
Yes. A parallelogram has two pairs of opposite sides parallel (and each pair of equal length). A rhombus has two pairs of opposite sides parallel (and each of those pairs of opposite sides are of equal length), thus it is a parallelogram. It is a special case of parallelogram where all four sides are equal in length, not just the opposite pairs.
What quadrilateral has diagonals that bisect both pair of opposite angles?
A rhombus or a square. In rectangles (unequal side length) this does not occur.
What are a pair of adjacent angles called whose non-common sides are opposite rays?
A pair of adjacent angles whose non-common sides are opposite rays are called a linear pair. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.
What is different between rhombus and the parallelogram?
In a rhombus each of the sides is of the same length whereas in a parallelogram, each pair of opposite sides is of the same length but the two pairs are different.
