Grade A


try a random GCSE question...

a) A rectangle has an area of 20 cm2.  Its length and width are enlarged by scale factor 3.  Find the area of the enlarged rectangle.


b) A cylinder has a radius of 4 cm and volume of 800 cm3.  A similar cylinder has a volume of 200 cm3.  Find the radius of the smaller cylinder.

Give your answer to 1 decimal place.


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