Geometry Formulas Chapter 8 - Areas

Geometry Chaper 8 Formulas - Areas

26 cards   |   Total Attempts: 183
  

Cards In This Set

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Area of a rectangle
A=bh
Area of a triangle
A=1/2 bh
Area of a right triangle
A=1/2 bh
Area of a parrallelogram
A=bh
Area of a trapezoid
A=1/2h(b-one+b-two)
Area of a rhombus
A=1/2 d-one d-two
Pythagorean Theorem
A squared + b squared = c squared
Area of an equilateral triangle
A=s-squared square root of 3 over 4
Altitude of an equilateral triangle
H=square root of 3 over 2 x s
Area of a square
A=s-squared
Central angles of a regular n-gon are congruent and measure:
360deg / n
Area of a regular polygon
A=1/2 ap
The apothem of an equilateral triangle (theorem 8.11)
A=1/3 h
The apothem of an equilateral triangle ( theorem 8.12)
A= square root of 3 over 6 times s
Area of a circle
A= pi r-squared