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Geometry EOC Review

Equation for finding a midpoint y-y1=m(x-x1)
Equation for slope m=y2-y2/x2-x1
Pythagorean Theorem a2+b2=c2
45-45-90 Triangle Hyp=leg<2
30-60-90 Triangle Hyp=2(SL) LL=SL<3
Sine Sin°=opp/hyp
Cosine Cos°=adj/hyp
Tangent Tan°=opp/adj
Area of a Rectangle A=bh
Area of a Parallelogram A=bh
Perimeter of a rectangle P=2(b+h)
Area of a square A=s2
Perimeter of a square P=4s
Area of a Triangle A=1/2bh
Area of a Trapezoid A=1/2h(b1+b2)
Area of a Rhombus and Kite A=1/2d1d2
Circumference of a Circle C=(2)(3.14)(r)
Area of a Circle A=3.14r2
Area of a Semicircle A=(1/2)(3.14)(r)2
Geometric Probability P=number of outcomes in event/number of outcomes in the sample space
Volume of a Prism V=Bh
Volume of a Cylinder V=(3.14)(r)2(h)
Volume of a Pyramid V=1/3Bh
Volume of a Cone V=(1/3)(3.14)(r)2(h)
Volume of a Sphere V=(4/3)(3.14)(r)3
Surface Area of a Sphere SA=(4)(3.14)(r)2
Reflection across x-axis (x,y)->(x,-y)
Reflection across y-axis (x,y)->(-x,y)
Reflection across the line y=x (x,y)->(y,x)
Rotation of 90° (x,y)->(-y,x)
Rotation of 180° (x,y)->(-x,-y)
Created by: Wallaby