maths equations

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8 Terms

1
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nth term in an arithmetic sequence

a +(n-1)d

2
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nth term in a geometric sequence

ar^n-1

3
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surface area of a cylinder

2(pi) rh + 2(pi)r²

4
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volume of a cylinder

pi x r²h

5
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area of a circle

pi x r²

6
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circumference of circle

2x pi x r

7
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area of a sector

angle/ 360 x r²pi

8
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arc length

angle x r