Quadrilaterals
What is a polygon?
What does congruent mean?
Same size and shape.
What is a right angle?
Where a straight up and down line crosses or touches a straight across line.
What are some shapes that classify as quadrilaterals?
Square, rectangle, rhombus, trapezoid, etc.
What does similar mean?
Same shape, CAN BE different sizes.
What shapes have all right angles?
Squares and rectangles.
Would an octagon classify as a parallelogram? Why or why not?
No, it has more than 2 SETS of parallel sides.
What is a rhombus?
A quadrilateral with all equal sides and 2 SETS of equal angles.
Are congruent shapes also similar?
Yes.
What is an acute angle?
Smaller than a right angle.
Are all squares rectangles? Why or why not?
Yes, they all have 2 SETS of equal sides, and they all have all right angles.
Does a circle classify as a polygon? Why or why not?
No, it has curved lines.
Are all similar shapes congruent?
No.
What is an obtuse angle?
Larger than a right angle.
Are all rectangles squares? Why or why not?
No, all sides are not always equal.
A quadrilateral with all right angles and 2 SETS of equal sides.
Rectangle.
What is a parallelogram?
Quadrilateral with 2 SETS of parallel sides.
How can you see if two shapes are congruent when you're not sure?
Trace one, put it on top of the other one.
How do we remember acute and obtuse angles?
A cute little puppy
Oh, so big belly
Could a rectangle also be a rhombus?
Yes, as long as it is a square.