Measurement Flashcards
Area of a circle?
A = Pi x r^2
Area of a sector?
A = angle/360 x Pi x r^2
Area of a triangle?
A = 1/2bh
Area of a Trapezium?
A = 1/2(a + b)h
Area of a parallelogram?
A = bh
Area of a kite & a rhombus?
A = 1/2xy
Area of an annulus?
A = Pi x R^2 - Pi x r^2
Surface area of a cube?
SA = 6l^2
Surface area of a rectangular prism?
SA = 2lw + 2wh + 2lh
Surface area of a cylinder?
SA = 2 x Pi x r^2 + 2 x Pi x rh
How do you work out the volume of prisms?
V = AH
What is capacity conversion from L into cm^3
1 L = 1000 cm^3
1 ml = 1cm^3
1 kl = 1000 L = 1 m^3
Surface area of a square based pyramid?
SA = b^2 + 2bh
Surface area of a cone?
SA = Pi x r^2 + Pi x rs
Surface area of a sphere?
SA = 4 x Pi x r^2
Volume of a solid?
V = 1/3AH
Volume of a sphere?
V = 4/3 x Pi x r^3
What is the density formula?
d = m/V
What is the concentration formula?
Concentration = amount of solute/amount of solution
How do you work out the area of a rectangle?
A = lw