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10 Cards in this Set
- Front
- Back
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What is the ratio between the shortleg, long leg, and hypotenuse of a 30-60-90 triangle?
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short leg = x
long leg = 2x hypotenuse = x square root 3 |
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What is the formula for the area of a triangle?
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1/2bh
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What is a special ratio right triangle?
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short leg = 3x
long leg = 4x hyptenuse = 5x (also, 5x:12x:13x) |
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What is the point-slope formula?
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y-y1 = m(x-x1)
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What is the relationship between the slopes of perpendicular lines?
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a perpindicular line's slope is the negative reciprocal of the the other line
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What is the volume of a cylindar?
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V=(Pi)(r2)(h)
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What is the surface area of a rectangular solid?
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2(lw + lh+ wh)
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What is the volume of a rectangular solid?
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lwh
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What is the slope of a line formula?
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y2-y1/x2-x1
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What is the midpoint formula?
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x1+x2/2, y1+y2/2
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