Polygons A
Polygons B
Angles
Polygons C
100
How many diagonals does a triangle have?
0
100

What is the least number of sides possible in a polygon?

Three

100
What do we call angles that measure less than 90 degrees?
Acute
100

In a triangle, one angle is 50 degrees, another angle is 60 degrees, what is the measure of the third angle?

70 degrees

200

How many triangles can be formed in a pentagon starting at one vertex?

3

200

Is there such a thing as a 99-agon?

YES

A shape with 99 sides is called an enneacontakaienneagon.

200
What do we call angles that measure greater than 90 degrees?
Obtuse
200
What do we call polygons with all congruent sides and congruent angles?
Regular polygons
300

What is the sum of the interior angles of a quadrilateral?

360o

300

In a Pentagon, one angle is 50 degrees, another angle is 60 degrees, another angle is 120 degrees, and another angle is 130 degrees, what is the measure of the fifth angle?

180o

300
What is the term for angles that measure exactly 90 degrees?
Right angles
300

What is the meaning of the word adjacent?

next to

400

How many diagonals does a hexagon have?

4
400

What is the measure of the missing angle of a 7-sided polygon if all of the other 6 angles add up to 800? 

100o

400
What do we call angles that sum to 90 degrees?
Complementary
400

What do we call the point where two sides meet?

Vertex

500

How many angles does a Dodecagon have?

12

500

What is a polygon with 8 sides called?

Octagon

500
What do we call angles that sum to 180 degrees?
Supplementary
500

What is the formula for finding the total sum of the inside angles of any polygon?

(n-2) x 180

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