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Is it true that Some parallelograms are rectangles?
A parallelogram is a four sided figure. that has congruent angles and all sides are parallel
What is a description of a parallelogram?
A parallelogram is a quadrilateral (4-sided figure) with both pairs of opposite sides parallel. That's usually the primary definition. There are properties common to all parallelograms: opposite sides are congruent, opposite angles are congruent, and diagonals bisect each other. Other special parallelograms have additional properties. A rectangle is a parallelogram with four right angles and its diagonals are congruent. A rhombus is a parallelogram with four congruent sides. Its diagonals are perpendicular and each diagonal bisects two angles of the rhombus. A square is a parallelogram as well. It has four right angles and four congruent sides, so it is also a rectangle and a rhombus. How's that for confusing???
What marks used on a figure to indicate congruent angles?
marks used on a figure to indicate congruent
What is a 2 dimensional figure with 4 right angles and 4 congruent sides?
A square.
Is this false if a figure has four congruent angles then its a square?
Yes, it is false. It need not be a square.
Is it true that Some parallelograms are rectangles?
A parallelogram is a four sided figure. that has congruent angles and all sides are parallel
Does a quadrilaters have exactly three congruent angles?
Not sure what a "quadrilaters" is. A quadrilateral is a plane (2-dimensional) figure with four straight sides. It can have all four angles different. It can have two congruent angles (kite), 3 congruent angles (no specific name), 2 pair of two congruent angles (parallelogram/rhombus), or four congruent angles (rectangle/square).
Does a quadrilateral have congruent angles?
A quadrilateral is a plane figure with four straight sides and does not necessarily have any congruent angles. Some quadrilaterals such as, squares, rectangles, rhombuses, and parallelograms do have congruent angles.
What is a closed plane figure with 4 congruent sides and 0 right angles?
That's a rhombus ... a special type of parallelogram.
Is a closed plane figure with 4 congruent sides and 0 right angles?
That's a rhombus ... a special type of parallelogram.
What is a description of a parallelogram?
A parallelogram is a quadrilateral (4-sided figure) with both pairs of opposite sides parallel. That's usually the primary definition. There are properties common to all parallelograms: opposite sides are congruent, opposite angles are congruent, and diagonals bisect each other. Other special parallelograms have additional properties. A rectangle is a parallelogram with four right angles and its diagonals are congruent. A rhombus is a parallelogram with four congruent sides. Its diagonals are perpendicular and each diagonal bisects two angles of the rhombus. A square is a parallelogram as well. It has four right angles and four congruent sides, so it is also a rectangle and a rhombus. How's that for confusing???
How can you tell if it is a parallelogram?
A parallelogram is a quadrilateral (four-sided figure) in which both pairs of opposite sides are parallel. You can check for that, specifically. As an alternative, you can check for any of the following conditions: * Opposite angles are congruent * Opposite sides are congruent
What is necessary to have when proving that the opposite angles of a parallelogram are congruent?
To prove that the opposite angles of a parallelogram are congruent, you need to establish that the figure is indeed a parallelogram, which can be done by showing that both pairs of opposite sides are parallel or that one pair of opposite sides is both equal and parallel. Once this is confirmed, you can use the properties of transversals and corresponding angles, or the fact that consecutive angles are supplementary, to demonstrate that the opposite angles are congruent. Therefore, a clear understanding of the properties of parallelograms and angle relationships is essential for the proof.
Is a pentagon a parallelogram?
No, a parallelogram is 4 sided with each 2 sides being parallel to one another. The opposite angles in a parallelogram are congruent. A pentagon is a 5 sided figure with each angle being the same.
What figure has opposite sides congruent?
A parallelogram has two sets of congruent parallel sides.
How can a similar figure not be congruent?
if the angles of a figure are the same but the sides aren't, it is similiar. Congruent is angles and sides exactly the same
What is the difference between a similar figure and a congruent figure?
A similar figure has the same interior angles as a congruent figure but its sides are in proportion to a congruent figure.
