Mathematics (Linear) 1MA0 SPHERES AND CONES（数学(线性)1 ma0球体和视锥细胞）.pdf

Edexcel GCSE Mathematics (Linear) – 1MA0 SPHERES AND CONES Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. Tracing paper may be used. Instructions Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name, centre number and candidate number. Answer all questions. Answer the questions in the spaces provided – there may be more space than you need. Calculators may be used. Information The marks for each question are shown in brackets – use this as a guide as to how much time to spend on each question. Questions labelled with an asterisk (*) are ones where the quality of your written communication will be assessed – you should take particular care on these questions with your spelling, punctuation and grammar, as well as the clarity of expression. Advice Read each question carefully before you start to answer it. Keep an eye on the time. Try to answer every question. Check your answers if you have time at the end. 1. 12 cm 10 cm Diagram NOT accurately drawn The diagram represents a cone. The height of the cone is 12 cm. The diameter of the base of the cone is 10 cm. Calculate the curved surface area of the cone. Give your answer as a multiple of . 2 …………….. cm (Total 3 marks) 2. 12.6 cm