By failing to prepare, you are preparing to fail.

# Measurement

/Tag: Measurement
2 12, 2018

## Field Survey & Notebook Entries

By |2018-12-02T16:59:33+10:00December 2nd, 2018||Comments Off on Field Survey & Notebook Entries

Field Survey & Notebook Entries Go to the Forum to see more questions or ask your own Formulas used in Field Survey & Notebook Entries Area Triangle $A\frac{1}{2}bh$ Area Trapezium $A\frac{h}{2}(a+b)$ Pythagoras $c^c=a^2+b^2$ Worked examples A field is to be converted into an olive grove. [...]

2 12, 2018

## Pythagoras Theorem

By |2018-12-02T16:12:02+10:00December 2nd, 2018||Comments Off on Pythagoras Theorem

Pythagoras Theorem Go to the Forum to see more questions or ask your own Formulas used in Pythagoras Theorem  c2 = a2 + b2 when looking for the hypotenuse a2 = c2 - b2 when looking for a shorter side Worked examples Find the value of c correct to [...]

2 12, 2018

## Area Sector

By |2018-12-02T16:01:12+10:00December 2nd, 2018||Comments Off on Area Sector

Area Sector Go to the Forum to see more questions or ask your own Formulas used in Area Sector $A=\frac{\theta}{360}\,\pi r^2$ Worked examples Find the area of a sector with angle of 50° and a radius of 10cm, correct to 2 decimal places. $A=\frac{50}{360}\times\pi \times 10^2$ Using the [...]

2 12, 2018

## Area

By |2018-12-02T16:01:22+10:00December 2nd, 2018|Tags: , , |Comments Off on Area

Area Go to the Forum to see more questions or ask your own Formulas used in Area Square $A=s^2$ Rectangle $A=L\times\;w$ Triangle $A=\frac{1}{2}\times \;b\times \;h$ Circle $A=\pi r^2$ $C=\pi d$ or $C=2\pi r$ Trapezium $A=\frac{h}{2}(a+b)$ Parallelogram $A=b\;\times\;h$ [...]

2 12, 2018

## Surface Area

By |2018-12-02T15:23:08+10:00December 2nd, 2018||Comments Off on Surface Area

Surface Area Go to the Surface Area Forum to see more questions or ask your own Formulas used in Surface Area Cube $SA=6s^2$ Rectangular Prism $SA=2LW+2LH+2WH$ Triangular Prism $SA=2(\frac{1}{2}bh)+2sL+bL$ Pyramid $SA=LW+the\:sum\:of\: the\: 4\:triangles$ Cylinder $SA=2\pi r^2+2\pi rh$ Open [...]

2 12, 2018

## Volume

By |2018-12-02T15:19:13+10:00December 2nd, 2018|Tags: , , |Comments Off on Volume

Volume Go to the Volume Forum to see more questions or ask your own Formulas used in Volumes Cube $V=s^3$ Rectangular Prism $V=LWH$ Triangular Prism $V=\frac{1}{2}bhL$ Pyramid $V=\frac{1}{3}LWH$ $SA=LW+the\:sum\:of\: the\: 4\:triangles$   Cylinder $V=\pi r^2h$ Cone $V=\frac{1}{3}\pi r^2h$ [...]

1 12, 2018

## Converting km/h & m/s

By |2018-12-01T11:39:04+10:00December 1st, 2018||Comments Off on Converting km/h & m/s

Converting km/h & m/s Go to the Converting Forum to see more questions or ask your own Formulas used in  km/h → m/s: × 1000 ÷ 60 ÷ 60 m/s → km/h: ÷ 1000 × 60 × 60 Worked examples  Convert 50m/s into km/h.  50 ÷ 1000 × 60 × 60 = 180km/h To convert from [...]

11 07, 2018

## Arc Length

Arc Length Go to the Arc Length Forum to see more questions or ask your own Formulas used in Arc Length $L=\frac{\theta}{360}\times 2\pi r$ Worked examples Find the length of the arc in this sector. $L=\frac{50}{360}\times2\times\pi\times 12$ r = 12cm and the angle at the centre = [...]

4 07, 2018

## Trapezoidal Rule

Trapezoidal Rule Go to the Trapezoidal Rule Forum to see more questions or ask your own Formulas used in Trapezoidal Rule $A\approx\frac{h}{2}\left\{ {{d_F} + {d_L}} \right\}$ h = distance between each section dF = length of first dL = length of last Worked examples Find the approximate area. $A_1\approx\frac{21}{2}(16+15)$ [...]