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ACT Prep Formula Review
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Gravity
Key Concepts:
Terms in this set (23)
sin(x)
opposite/hypotenuse
cos(x)
adjacent/hypotenuse
tan(x)
opposite/adjacent
slope formula
midpoint formula
distance formula
quadratic formula
pythagorean theorem
a²+b²=c²
perimeter
The distance around a figure
area of a rectangle/parallelogram
A=bh
area of a triangle
A=1/2bh
area of a circle
A=πr²
circumference
C=2πr
arc length
2πr(m/360)
sector area
πr²(m/360)
A circle has...
360°
Interior angles of a triangle add to...
180°
You can only use pythagorean theorem on a...
right triangle
The number of feet in 1 yard...
3
The number of inches in 1 foot...
12
The number of centimeters in 1 meter...
100
Complementary angles
Sum of measures is 90°
Bisector
cuts a line segment, angle, or polygon in HALF
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