Maths Flashcards
What is the SINE RULE?
A/SinA = B/SinB = C/SinC
What is TOA?
Tan = Opposite/Adjacent
What is COS?
Cos = Adjacent/Hypotenuse
What is SIN?
Sin = Opposite/Hypotenuse
What is the equation for Volume of a Cone?
1/3 x pie x r2 x h
What is the equation for Volume of a Pyramid?
1/3 x base area x vertical height
What is the equation for Volume of a Cylinder?
V = pie x r2 x h
What is the equation for Volume of a Prism?
Cross - sectional area x length
3D Pythagoras for cuboids
a2 + b2 + c2 = d2
What is the equation for frequency density?
Frequency/ class width
Common Metric Conversions
1cm = 10mm 1 tonne = 1000kg 1m = 100cm 1 litre = 1000ml 1km = 1000m 1 litre = 1000cm3 1kg = 1000g 1cm3 = 1ml
Common Imperial Coversions
1 yard = 3 feet 1 pound = 16 ounces
1 gallon = 8 pints 1 foot = 12 inches
1 stone = 14 pounds
Alternate Angles
Angles are the same
Allied Angles
Add up to 180 degrees
Corresponding Angles
Angles are the same
What is the equation for the Area of a Triangle?
1/2 x b x h
What is the equation for Area of a Parallelogram?
Base x Vertical height
What is the equation for the Area of a Trapezium?
Average of parallel sides x distance between them
What is the equation for the Area of a Sector?
x/360 X Area of a full circle
What is the equation for the length of an arc?
x/360 X circumference of a full circle
What is the equation for the Surface area of a sphere?
4 x pie x r2
What is the Surface area of a cone?
pie x r x l + pie x r2
What is the Surface area of a cylinder?
2 x pie x r x h + 2 x pie r2
What is the equation for the Volume of a sphere?
4/3 x pie r3