Polygon Facts
Polygon anatomy
Polygon Angles
Area For Regular
Area for Irregular
100
regular quadrilateral
What is a square?
100

The length from the centre to the vertex

What is the radius?
100

This is the formula to find the sum of the measures of the interior angles of any n-gon

What is (n-2) x 180

100

This is the area formula of a regular polygon.

What is (P x a)/2?

100

a parallelogram with height 14m and base 6m 

What is 84m2?

200

an angle that is more than 180 degrees

What is concave

200

The length from the centre to the midsection of a side.

What is the apothem?

200
This regular polygon has exterior angles that each measure 45 degrees
What is an octagon?
200

area of a pentagon with base 8 inches and height 5 inches

What is 100 square inches?

200

a rectangle with base 230mm and a height of 15mm 

What is 3450mm2?

300
polygon with congruent angles and congruent sides
What is a regular polygon?
300

How many diagonals are in a hexagon?

What is 9?

300
This is the sum of the interior angles of a polygon with 10 sides
What is 1440 degrees?
300

area of a hexagon with a side that measures 16 inches an apothem of 10 inches?

What is 480 square inches?

300
a rhombus with lateral diagonal 3cm and longitudinal diagonal 4cm

What is a 6cm2?

400
a polygon such that no line containing a side of the polygon contains a point in the interior of the polgon
What is a convex polygon?
400

How many congruent isosceles triangles are in a heptagon?

What is 7?

400
This is true about the angles of a regular polygon.
What is congruent or equal measure?
400

area of a heptagon with a side measuring 7 inches with an apothem of 5 inches?

What is 122.5 square inches?

400

a parallelogram with base 17mm, a side length of 15mm, and an altitude of 14mm 

What is a 238mm2?

500

a line going from one vertex to another non-adjacent vertex 

What is a diagonal?

500

How many diagonals are in a decagon? 

What is 35?

500
This is the measure of each interior angle in a regular pentagon.
What is 108 degrees?
500

area of a decagon with bases of 26 cm and a height of 5 cm

What is 650 square centimetres?

500

a trapezoid with top length 5cm, bottom length 9cm, side length 10cm, altitude 8cm


What is a 56cm2?


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