Polygons
What is a 7-sided polygon?
a heptagon
A quadrilateral that has all sides congruent and 4 right angles is called a _________.
square
I am a closed figure with straight lines that only intersect at the endpoints.
Polygon
Parallelograms have congruent opposite sides and angles.
True
Polygons are named depending on the number of _______ they have.
sides or vertices/angles
A square is always, sometimes, or never a parallelogram?
Always
I have 4 right angles and 4 equal sides.
Square
Tick marks are used to indicate parallel lines.
False - Triangles/arrows
A polygon that has all equal side lengths and equal angles is called a ___________ polygon.
regular
Which 2 quadrilaterals have congruent diagonals?
Rectangle & square
I have 4 congruent opposite sides, but I don't have 4 right angles.
Rhombus
According to our definitions, a rectangle has congruent opposite sides, opposite parallel sides, and 4 right angles.
True - A rectangle has congruent opposite sides, opposite parallel sides, and 4 right angles.
A 670-sided polygon is called a _____________.
670-gon
Which 2 quadrilaterals have perpendicular diagonals?
Rhombus & square
I have one pairs of parallel sides, and another pair that is congruent.
Isosceles trapezoid
The consecutive angles of a square are supplementary.
True - consecutive angles in all parallelograms are supplementary.
What is a 12-sided polygon called?
Dodecagon
Rectangle ABCD has a total perimeter of 16cm. If side AB and it's opposite side CD are congruent at 6cm long, what is the length of sides AC and BD?
2cm
I have 6 sides and only some of my sides are the same length.
irregular hexagon
All trapezoids have congruent base angles.
False - Only in isosceles trapezoids.