/Tag: Measurement
2 12, 2018

Field Survey & Notebook Entries

By |2018-12-02T16:59:33+00:00December 2nd, 2018|Tags: , , , |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+00:00December 2nd, 2018|Tags: , |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+00:00December 2nd, 2018|Tags: , , , , |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+00:00December 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+00:00December 2nd, 2018|Tags: , , |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+00:00December 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+00:00December 1st, 2018|Tags: , , , , |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

By |2018-12-01T16:29:32+00:00July 11th, 2018|Tags: , , , , |0 Comments

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

By |2018-12-02T16:16:20+00:00July 4th, 2018|Tags: , , |0 Comments

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. $$A_1\approx\frac{21}{2}(16+15)$$ [...]

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