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/Tag: Volume
7 12, 2018

## Ratios: Areas & Volumes

By |2018-12-07T16:03:19+10:00December 7th, 2018|Tags: , , |Comments Off on Ratios: Areas & Volumes

Ratios: Areas & Volumes Go to the Forum to see more questions or ask your own Formulas used in   ratio of sides = a : b ratio of areas = a2 : b2 ratio of volumes = a3 : b3 Worked examples The ratio of the lengths of the [...]

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 $V=\frac{1}{3}\pi r^2h$ [...]

3 07, 2018

## Surface Area & Volume

Perimeter, Area & Volume Go to the Perimeter, Area & Volume Forum to see more questions or ask your own Topics Covered in Perimeter, Area & Volume Perimeter Arc Lengths Area Pythagoras Trapezoidal Rule Area Sector Field Survey & Notebook Entries [...]

29 06, 2017

## Volume Between Two Curves

Volume Between Two Curves worked examples The area enclosed between the curves y = x2 and y = x3 is rotated about the x-axis. Find the volume of the solid formed. x3 = x2 x3 - x2 = 0 x2(x - 1) = 0 x = 0, x [...]

7 07, 2016

## Truncated Cone Surface Area

By |2016-10-21T13:17:00+10:00July 7th, 2016||Comments Off on Truncated Cone Surface Area

Truncated Cone Surface Area $SA=\pi\, R^2+\pi\,r^2+\pi\,R\,L-\pi\,r\,l$ worked examples further examples harder examples

7 07, 2016

## Truncated Cone SA

Truncated Cone Surface Area $SA=\pi\, R^2+\pi\,r^2+\pi\,R\,L-\pi\,r\,l$ worked examples further examples harder examples

6 07, 2016

## Truncated Cone Volume

Truncated Cone Volume $V=\frac13\pi R^2\,H-\frac13\pi r^2\,h$ or $V=\frac13\pi(R^2\,H- r^2\,h)$ worked examples further examples harder examples

29 06, 2016

## Volume Of Cone

By |2016-10-21T13:17:00+10:00June 29th, 2016||Comments Off on Volume Of Cone

Volume Of Cone $V=\frac13\pi r^2,h$ worked examples further examples harder examples

29 06, 2016

## Truncated Cone Volume

By |2016-10-21T13:17:00+10:00June 29th, 2016||Comments Off on Truncated Cone Volume

Truncated Cone Volume $V=\frac13\pi R^2\,H-\frac13\pi r^2\,h$ or $V=\frac13\pi(R^2\,H- r^2\,h)$ worked examples further examples harder examples

19 06, 2016

## Cube Volumes

By |2016-10-21T13:17:02+10:00June 19th, 2016|Tags: , , , |Comments Off on Cube Volumes

Cube $V=s^3$ worked examples A cube has a volume of 64cm3. What is the length of each side?  64 = s3 Substitute 64 into the volume formula $V=s^3$ $s=\sqrt[3]{64}$ to get rid of the cube, we need to cube root : 3√ s = 4 ∴ 4cm further examples [...]