# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2006 | May-Jun | (P1-9709/01) | Q#8

Hits: 193 Question The diagram shows the roof of a house. The base of the roof, OABC, is rectangular and horizontal with and . The top of the roof is 5m above the base and . The sloping edges , , and are all equal in length. Unit vectors and are parallel to , respectively and is vertically upwards. […]