Maths equations

[blank_start]Circumference =[blank_end] π x diameter [blank_start]C = πd[blank_end] [blank_start]Circumference =[blank_end] 2 [blank_start]x[blank_end] π x radius [blank_start]C = 2πr[blank_end] [blank_start]Area of a circle =[blank_end] π x radius² [blank_start]A = πr²[blank_end]

Volume of a cuboid = length x width x height V = l x w x h Lable l, w and h on the diagram

Volume of any prism = area of cross section x length Lable the diagram

Volume of a cylinder = π x radius² x height V = πr²h Lable the diagram

Volume of a pyramid = ⅓ x area of base x hight

Area of a rectangle = length x width A = l x w Lable the lenght and heigth

Area of a parallelogram = base x height A = b x h Lable the diagram with b and h

Area of a triangle = ½ x base x height A = ½b x h Lable the diagram

Area of a trapezium = ½ x (top + base) x height A = ½(a+b)h Lable the diagram with a, b and h

Pythagoras' Theorm works for any rightangled triangle : a² + b² = c²

Trigonometric ratios (SOHCAHTOA) sin x° = opp/hyp cos x° = adj/hyp tan x° = opp/adj opp = opposite adj = adjacent hyp = hypotenuse Lable the triangles with opp, adj and hyp

Complete the quadratic formula

Speed = distance/time Complete the equation triangle

density = mass/volume Complete the equation triangle

pressure = force/area Complete the equation triangle

Sine rule a/sinA = b/sinB = c/sinC

Cosine rule a² = b² + c² - (2bc x cosA) Rearranged cosA = (b² + c² - a²) / (2bc)

Area of a triangle = ½ x a x b x sinC