Polygon
More Polygons
Formulas
Vocabulary
Miscellaneous
100
Name a three sided shape and the sum of its interior angles
Triangle- 360 degrees
100
Name a four-sided shape and the sum of its interior angles
quadrilateral 360 degrees
100
In the formula a2 + b2 = c2 what does c represent?
They hypotenuse (the side opposite the right angle)
100
Supplementary Angles
two angles that add up to 180 degrees
100
Formula for Circumference
C = 2πr or πd Circumference
200
Name a six sided shape and the sum of its interior angles
hexagon 720 degrees
200
Number of lines of symmetry in a regular pentagon
5
200
Formula for finding the missing interior angle of any REGULAR polygon
( n − 2 ) × 180 ∘
200
Adjacent Angles
two angles with a common vertex, sharing a common side
200
Formula for area of a trapezoid
A = ½(bA = ½(b A = ½(b A = ½(b1+ b 2)h Area of trapezoid )h Area of trapezoid )
300
Name a five sided shape and the sum of its interior angles
pentagon-540 degrees
300
Name an eight sided shape and the sum of its interior angles
octagon 1080 degrees
300
How do you find the number of sides on an "n" sided prism?
n x 2
300
Complementary Angles
two angles that add up to 90 degrees
300
A line touching but not intersecting a curved surface
Tangent
400
Name a seven sided shape and the sum of its interior angles
Heptagon/Septagon 900 degrees
400
Name a nine sided shape and the sum of its interior angles
nonagon/enneagon 1260 degrees
400
Area of a circle
A=πr2
400
Translation
the shifting of a figure from one place to another without rotating, reflecting or changing its size.
400
A straight line segment whose endpoints both lie on the circle.
chord
500
Name a ten sided shape and the sum of its interior angles
decagon 1440 degrees
500
The rotational symmetry of a hexagon.
360/6= 60 degrees
500
The formula for the number of diagonals in a regular polygon.
n(n-3)/2 where n is the number of sides
500
Vertical angles
Two equivalent angles across from each other (Look for an x shape)
500
If the area of a square is 576 square inches, what is it’s perimeter?
96 inches