What qualities does a shape need to be considered a square?
-All sides must be equal.
-It must have 4 right angles.
How many vertices does a quadrilateral have?
4
A parallelogram is always a square? (t/f)
No, because
These quadrilaterals have both sides parallel.
What are parallelograms, rectangles, rhombuses, and squares?
This quadrilateral has two pairs of parallel sides.
Parallegram
These quadrilaterals have at least one pair of congruent angles.
What are isosceles trapezoids, parallelograms, rhombus, rectangles, and squares?
Can a rhombus be a square? Why?
Yes, if the rhombus has 4 right angles.
These quadrilaterals do not have both sides parallel
What are all forms of trapezoids?
What qualities does a shape need to be considered a trapezoid?
4 equal sides.
These quadrilaterals have diagonals that are angle bisectors.
What are rhombuses and squares?
A trapezoid is always a parallelogram
False
These quadrilaterals have all 4 congruent sides.
What are squares and rhombuses?
- 4 right angles
- opposite sides that are equal
Which quadrilaterals always have 4 right angles?
Square and rectangle.
What are all the names for this shape(4)?
- Square
- Rhombus
-Quadrilateral
- Parallelogram
- Rectangle
x=6
What are all of the qualities of a quadrilateral?
- Closed shape
-4 straight sides
-4 angles
-4 vertices
In an isosceles trapeqzoid ABCD, m<B+m<D= ?
180
Is a square always a rectangle or is a rectangle always a square?
A square is always a rectangle because it has 4 right angles and opposite sides that are equal.
This quadrilateral has one pair of opposite sides congruent.
What is a trapezoid?