Flashcards
Maths Formulars S1
Cards in this deck (13)
- 1How do you find the perimeter of a circle?2πr
- 2How do you find the perimeter of a sector?∅
2r+ ---- x 2πr
360 - 3How do you find the area of a circle?πr (squared)
- 4How do you find the area of a sector?∅
---- x πr (squared)
360 - 5How do you find the area of a triangle?1
--- bh
2 - 6How do you find the area of a trapezium?(h÷2) x (a+b)
- 7How do you find the area of a Parallelogram?L + b
- 8how do you find the area of a rhombus?1
--- xy
2 - 9How do find the surface area of a cylinder?TSA = 2πr (r+h)
------------
2xπ - 10How do you find the volume of a prism?base area x height
- 11How do you find the volume of a cylinder?πr(squared) x height
- 12What is the equation for simple interest?PRT
I= ------
100 - 13What is the equation for finding direct proportion?pro-numeral ⋉ pro-numeral