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Circumference of a circle Correct Answer: 2πr Area of a triangle Correct Answer: A=(base x height)/2 Area of a trapezoid Correct Answer: A=(base 1 + base 2)/2 x height phythagorean theorem Correct... Answer: a^2 + b^2 = c^2 area of a circle Correct Answer: A=πr² Volume of a cylinder Correct Answer: V=πr²h sector Correct Answer: fraction of area of circle x/aπ = 45/360 x/aπ = 1/8 8x = aπ x=a/8 π arc Correct Answer: fraction of circumference x/aπ = 45/360 x/aπ = 1/8 8x = aπ x = 3/4 π area of a parallelogram Correct Answer: A=bh Volume of a sphere Correct Answer: 4/3πr³ equation of a circle Correct Answer: (x-h)²+(y-k)²=r² (h,k) = center radians to degrees Correct Answer: multiply by 180/π eg: 3π/2 x 180/π=270 degrees degrees to radians Correct Answer: multiply by π/180 270 x π/180=3π/2 [Show More]

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