Unit 6 - Geometry Area Formulas
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Exterior angles sum (ANY polygon)
360 degrees
Exterior angle of a regular polygon
360/number of sides
Area of a triangle
A= 1/2 bh
Area of a regular polygon
A=1/2ap
Area of a trapezoid
A=1/2h(b1+b2)
Area of a parallelogram
A=bh
Area of a rectangle
A=bh
Area of a square
A=s²
Area of a circle
A=πr²
Interior Angle Sum Theorem
S = 180(n-2)