Vocabulary
what is a convex polygon
does not cave in
The sum of exterior angles is any polygon.
What is 360 degrees?
The sum of interior angles for any hexagon.
720 degrees
The sum of exterior angles for any decagon.
360
In a quadrilateral, the interior angles measure 86, 182, 37, and ___ degrees.
55 degrees
what is a concave polygon
caves in
180(n-2) where n is the number of sides/angles
What is the interior angle sum formula?
The measure of one interior angle of a octagon.
135 degrees
The measure of one exterior angle a regular heptagon.
51.43 degrees
what is the interior angle sum of a 20-gon
3240 degrees
what does N stand for in our formulas
n is the number of sides.
how are interior and exterior angles related
the add to 180, they are supplementary
what is the interior angle sum on a nonagon
1260
what is one exterior angle of a pentagon?
72
what is each interior angle measure of a 13-gon
152.3
what do you call a shape with 17 sides
a 17-gon
In a regular polygon, we can divide the sum by n, the number of sides, to find this.
What is the measure of each interior or exterior angle?
what is the interior angle sum of a 12 sided shape
1800
what is the measure of each exterior angle in a 30-gon
12 degrees
The exterior angles measure 72, 5x-4, 97, 2x+13, 6x. Solve for x.
x = 14
Name the polygons with sides 3 through 10 in order.
Daily Double!
What is...
Triangle, Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon
what is the difference between
n-2(180) and n-2(180)/n
first on is interior angle sum second one is one interior angle
what is each interior angle measure of a 15-gon
156
what is the exterior angle sum of an octagon
360
In a hexagon, interior angle measure are 120, 5x-6, 4x+14, 8x, 8x-8, and 5x. Solve for x
x = 20