Studied by 22 peoplemidpoint
add them together and divide by two
distance
√(x-x)²- (y-y)²
slope
rise/run
slope-intercept
y=mx+b
point slope
y-y1=m(x-x1)
circle
(x-h)²+(y-k)²=r²
ellipse
((x-h)²/a²)+((y-k)²/b²)=1
volume of a cube
V=s³
volume of a rectangular prism
V=lwh
volume of triangular prism
V=1/2lwh
volume of cylinder
V=πr²h
volume of cone
V=1/3πr²h
volume of a sphere
V=4/3πr³
area of square
area=s²
area of rectangle
area=lw
area of triangle
area=1/2bh
area of trapezoid
1/2(b1+b2)*h
surface area of rectangular prism
area=2lw+2wh+2lh
circumference of a circle
2πr
degrees to radians
180°=1 radian
similar triangles
same angles different side lengths
Note
Flashcard