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### 10 Cards in this Set

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• Back
 What is the ratio between the shortleg, long leg, and hypotenuse of a 30-60-90 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 point-slope formula? y-y1 = m(x-x1) 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? y2-y1/x2-x1 What is the midpoint formula? x1+x2/2, y1+y2/2