If James donates 10 per cent of his blood, how many red blood cells has he still got? Harvey carried out a ... Tip to scale Why is it useful that the two triangles are right-angled? The two ... b Draw a pair of triangles to demonstrate that: 1 2 a18= 3A square root of 2 Worked solutions1 Draw a diagram 1 a 4 metres b. 108 GCSE anbsp;...

Title | : | GCSE Mathematics for OCR Higher Problem-solving Book |

Author | : | Tabitha Steel, Coral Thomas, Mark Dawes, Steven Watson |

Publisher | : | Cambridge University Press - 2015-06-18 |

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