Unit 7 - Area and Surface Area
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17 Terms
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Area of a rectangle
A\=bh
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Area of a parallelogram
A\=bh
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Area of a triangle
A\=1/2bh
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Area of a trapezoid
A\=1/2(b1+b2)h
5
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Area of a kite
A\=½d₁d₂
6
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Apothem
A perpendicular segment from the center of a regular polygon to a side.
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Area of a regular polygon
A\=1/2ap or A\=1/2asn
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Area of a circle
A\=πr²
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Area of a sector
(arc measure/360)*pi*r^2
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Area of a Segment of a Circle
(arc measure/360)*pi*r^2
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annulus
the region between two concentric circles
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Area of Annulus
πR^2
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Surface area of prism
2B+Ph
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Surface Area of a Cylinder
2πr² + 2πrh
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Surface Area of a Pyramid
B+1/2Ps
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Surface Area of a Cone
πrl+πr²
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Surface area of a sphere
4πr²
Note 
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