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PA Chapter 10 Math Formulas
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Key Concepts:
Terms in this set (10)
Complementary Angles
Two angles whose sum is 90 degrees
supplementary angles
Two angles whose sum is 180 degrees
adjacent angles
Angles that have a common side and a common vertex (corner point).
vertical angles
A pair of opposite congruent angles formed by intersecting lines
Area of a parallelogram
A=bh
Area of a triangle
A=1/2bh
Area of a trapezoid
A=1/2h(b1+b2)
Area of a circle
A=πr²
Circumference of a circle
C = πd
Perimeter of a rectangle
P=2l+2w
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