Maths with David

1 May

Arrange the following in order, smallest first: $25^{- \frac{1}{2} }$ , $(\frac{2}{3})^{-2}$ , $0. \dot{1}$

Find x and y in the diagram below:

Find the area of the rectangle below:

In the diagram below, the volume of the cone is 200cm³ and the radius of the base of the cone is 4cm. Find the height of the cone:

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