Maths

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This should be basic. May contain errors
Anon "Johnny" Mama
Flashcards by Anon "Johnny" Mama, updated more than 1 year ago
Anon "Johnny" Mama
Created by Anon "Johnny" Mama over 9 years ago
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Question Answer
Area of a trapezium 1/2 x h x (a + b)
Area of a triangle (b x h) / 2
What is LCM? Lowest Common Multiple, the lowest possible number you can get with more than 1 number. e.g 12 is the LCM of 4, 3 and 2
Formula for Pythagoras theorem a² + b² = c²
Cosine Rule a² = b² + c² -2bc cos A
Circumference of a circle π x diameter OR 2 x π x radius
Area of a circle π x r²
In Trigonometry, what is each side represented as? (This helps to indentify SOHCAHTOA)
How do you find the ...?: Mean Median Mode Range Mean: Sum of all numbers ÷ Amount of numbers Median: Find the middle nth term Mode: The most common number Range: Largest number - smallest number
Formula for the sum of interior angles of a polygon? (n - 2) x 180 degrees
How to convert Fractions into Percentages? Divide the top by the bottom of the fraction, then x100.
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