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Sum of the Interior Angles of a Polygon |
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Definition
s=sum, n=sides, s = (n-2)180 |
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The Measure of an Interior Angle of a Regular Polygon |
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Definition
m=measure of angle, n=sides, m = 180 - 360/n |
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Diagonal of a Right Rectangular Prism |
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Surface Area of A Pyramid |
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L=Lateral Area, B=Base area, p=perimeter of base, l=slant height, S=1/2(l)p + B, or S= L + B |
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Surface Area of a Right Cylinder |
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Surface Area of A Right Cone |
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The degree measure of a minor arc is the measure of its central angle. |
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r=radius, M=degree measure of an arc, L=length of the arc, L= M/360(2 r) |
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Measure of angle formed by secants or chords that intersect inside the circle |
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Definition
One-half the sum of the measures of the arcs intercepted by the angle and its vertical angle. |
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Measure of angles formed by secants or chords that intersect outside the circle |
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Definition
One-half the difference of the measures of the intercepted arcs. |
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Theorum: Secants intersecting outside a circle |
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Definition
Whole x Outside = Whole x Outside |
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Measure of angle formed by a tangent and a secant that intercept on the point of tangency |
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Definition
One-half the measure of its intercepted arc |
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Theorum: Secant and tangent intersect outside a circle |
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Definition
Whole x Outside = Tangent Squared |
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x = x cos0- y sin0, y = x sin0- y sin0 |
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0=(x,y); 90=(-y,x); 180=(-x,-y); 270=(y,-x); 360=(x,y) |
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