Maths

Pregunta	Respuesta
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) Image: 180f5114-c655-42d4-aca9-6f824a902f5e (image/jpg)	Image: e130d746-649c-428b-b2ec-6da9ea8bca7f (image/jpg)
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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	Creado por Anon "Johnny" Mama hace casi 11 años