How Many Sides?
Triangles
Quadrilaterals
Who am I?
Polygons
100

pentagon

5 side

100

triangle with all equal sides

Equilateral

100

four sided figure with two pairs of parallel line

parallelogram

100

I am a polygon and have one reflex angle

concave polygon

100

What is the fewest number of sides needed to make a polygon?

three sides

200

A polygon with 1 000 000 sides

megagon

200

triangle with two angles measuring 80 degrees, and one angle measuring 20 degrees.

Isosceles triangle

An isosceles triangle is a triangle with (at least) two equal sides.

200

quadrilateral with only one pair of parallel lines

trapeziod

200

I am a triangle and ll my angles are less than 90 degrees

Acute triangle

200

What is the greatest number of obtuse angles a quadrilateral can have?

2

300

dodecagon

12 sides

300

A triangle with 3 different angles

What is scalene triangle

300

quadrilateral with two pairs of parallel lines and 4 right angles.

rectangle

300

I have seven sides

heptagon

300

Name all the quadrilaterals that have 4 congruent sides

a rhombus and a square

400

Icosagon

20

400

a triangle with a 90 degree angle

A right angle triangle.

400

a quadrilateral with all sides congruent

rhombus

400

I am the same shape as a house

pentagon

400

Define what a regular polygon is

a polygon with all congruent sides and angles

500

shape with infinite sides

Apeirogon (from the Greek word apeiros, "infinite, " and gonia, "angle") is a generalized polygon with a countably infinite number of sides. It can be considered as the limit of an n-sided polygon as n approaches infinity.

500

An equilateral triangle will have angles measuring how much?

What is 60 degrees

500

a quadrilateral with all sides congruent and 4 right angles

square

500

I have congruent opposite sides and four right angles

square or rectangle

500

Define concave and convex polygons

A polygon with a reflex angle is a concave while a polygon with all angles measuring less than 180 degrees is called convex.

Reflex angles are angles measuring greater than 180 degrees and less than 360 degrees.