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Do all rhombus have 2 sets of parallel sides?
Two parallel sides is part of the definition for a rhombus.
Can a rhombus be a trapezoid?
The answer depends on which definition of trapezoid (or trapezium, outside of North America) is used.Some mathematicians define a trapezoid as any four-sided figure with at least one pair of parallel sides. Using that definition, a rhombus is a special type of trapezoid because a rhombus is a figure with two sets of parallel sides.Others are more strict, using the name trapezoid only for four-sided figures with exactly one pair of parallel sides. By this definition a rhombus is not a trapezoid.
Why is a parallelogram is not necessarily a rhombus?
The definition of a parallelogram is that it has four sides, the opposite sides are congruent and parallel, and opposite angles are congruent. This includes rectangles, squares, rhombuses, etc.The definition of a rhombus states that it is a parallelogram, but more specifically that all sides are congruent.So a rhombus is a parallelogram, but not all parallelograms are rhombuses.
What is a parallelogram in which all sides are congruent?
A square or a rhombus. A rhombus does not have 4 congruent angles as a square does. It's always a rhombus. And, depending on the angles, it could also be a square. (This definition treats the square as a special case of the rhombus.)
What is a good definition for the word rhombus?
A rhombus is an oblique-angled equilateral parallelogram, but not a square. Explanation: Oblique-angled means that there can be no perpendicular angles like in a square.
Why isn't a square a rhombus?
A square is a rhombus by the modern definition of rhombus as a quadrilateral with four equal sides. An old definition of rhombus added the clause that it is not a square.
What is a rhombus that is not a parallelogram?
A rhombus is always a parallelogram, by definition.
What is the definition of a rhombus?
A rhombus is a quadrilateral whose four sides all have the same length.
Is a triangle always a rhombus?
A rhombus by definition has four sides, and a triangle has only three. So, a triangle is never a rhombus.
Is a rhombus always a paraellelogram why?
Yes, by definition.
Is a isocelese rhombus a parrallelogram?
A rhombus, by definition, must be equilateral. Therefore, an isosceles rhombus cannot exist and so it cannot be a parallelogram.
Why is a rhombus always regular.explain?
A rhombus is NOT a regular polygon, since the angles need not be equal. A rhombus does have four equal sides, by definition.
Do all rhombus have 2 sets of parallel sides?
Two parallel sides is part of the definition for a rhombus.
Can a rhombus have four right angels?
No, by definition a rhombus has all angles equal, but they are not right angles. A square is a type of rhombus with four right angles.
Why is a square a rombas?
Look at the definition of a rhombus. A square fulfills all parts of the definition.
What is a quadrilateral but also a rhombus?
Errm, a Rhombus? A rhombus is defined as a quadrilateral with four equal sides and opposite sides parallel. A square also meets this definition of a Rhombus, but is a special Rhombus in that all the angles are 90°.
What is both a rectangle and a rhombus?
nothing fits the definition of rhombus and rectangles becauses the definition for rectangle is : a plane figure with four straight sides and FOUR RIGHT ANGLESbut the definition of rhombus is...a parallelogram with ,OPPOSITE EQUAL ACUTE ANGLES and OPPOSITE EQUAL OBTUSE ANGLES, and four equal sides.
