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What is the ratio between the shortleg, long leg, and hypotenuse of a 306090 triangle?

short leg = x
long leg = 2x hypotenuse = x square root 3 
What is the formula for the area of a triangle?

1/2bh

What is a special ratio right triangle?

short leg = 3x
long leg = 4x hyptenuse = 5x (also, 5x:12x:13x) 
What is the pointslope formula?

yy1 = m(xx1)

What is the relationship between the slopes of perpendicular lines?

a perpindicular line's slope is the negative reciprocal of the the other line

What is the volume of a cylindar?

V=(Pi)(r2)(h)

What is the surface area of a rectangular solid?

2(lw + lh+ wh)

What is the volume of a rectangular solid?

lwh

What is the slope of a line formula?

y2y1/x2x1

What is the midpoint formula?

x1+x2/2, y1+y2/2
