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Hint

1

Area of a rectangle

A=bh

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2

Area of a parallelogram

A=bh

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3

Area of a triangle

A=1/2bh

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4

Area of a trapezoid

A=1/2(b1+b2)h

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5

Area of a kite

A=½d₁d₂

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6

Apothem

A perpendicular segment from the center of a regular polygon to a side.

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7

Area of a regular polygon

A=1/2ap or A=1/2asn

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8

Area of a circle

A=πr²

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9

Area of a sector

(arc measure/360)*pi*r^2

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10

Area of a Segment of a Circle

(arc measure/360)*pi*r^2

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11

annulus

the region between two concentric circles

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12

Area of Annulus

πR^2

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13

Surface area of prism

2B+Ph

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14

Surface Area of a Cylinder

2πr² + 2πrh

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15

Surface Area of a Pyramid

B+1/2Ps

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16

Surface Area of a Cone

πrl+πr²

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17

Surface area of a sphere

4πr²

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