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Flashcards in Maths equations Deck (13)
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1

Arc length?

radius x θ

2

Circumference of a circle?

2 x pie x radius

3

Area of a circle?

pie x radius^2

4

Curved surface area of cylinder?

2 x pie x radius x height

5

Surface area of a sphere?

4 x pie x radius^2

6

Area of a trapezium?

0.5 x (a + b) x height

7

Volume of a cylinder?

pie x radius^2 x height

8

Volume of a sphere?

4/3 x pie x radius^3

9

Pythagoras theorem?

a^2 = b^2 + c^2

10

Cosine rule?

a^2 = b^2 + c^2 - 2bc cosA

11

Sine rule?

a/sinA = b/sinB = c/sinC

12

Rule for log(AB)?

log(AB) = log(A) + log(B)

13

Rule for log(A/B)?

log(A/B) = log(A) - log(B)