Monday Jeopardy

Shapes

100

A shape with 4 equal sides and 4 right angles

Square

200

A shape with 3 straight sides and 3 angles

triangle

300

A quadrilateral with two sets of parallel sides

Parallelogram

400

A quadrilateral with 4 right angles

Rectangle

500

A quadrilateral with only 1 pair of parallel sides

Trapezoid

More Shapes

100

Any closed plane with at least 3 straight sides and angles

Polygon

200

A 5-sided polygon

Pentagon

300

A 6-sided polygon

Hexagon

400

An 8-sided polygon

Octagon

500

A 7-sided polygon

Heptagon

Even More Shapes

100

Two lines that never cross are....

Parallel

200

Two lines that intersect and make a right (90 degree) angle are...

Perpendicular

300

A 9-sided polygon

Nonagon

400

A polygon where all sides and angles are equal

Regular Polygon

500

A 12-sided polygon

Dodecagon

I Love Shapes

100

A 10-sided polygon

Decagon

200

A round plane whose boundary consists of all points equidistant from its center

Circle

300

A oval shape (like a smushed circle)

Ellipse

400

Formula for area of a parallelogram

A = base * height

500

Formula for area of a circle

BONUS 600: Formula for area of ellipse?

Circle A = Pi * radius²

Ellipse A = Pi * a_axis * b_axis