Prime DSE Series - Mathematics Mock Exam Papers (Compulsory)(Sixth Edition) Set 2 Paper 1&2

HKDSE-MATH-CP (Set 2 P1) 7 Answers written in the margins will not be marked. Answers written in the margins will not be marked. Answers written in the margins will not be marked. © United Prime Educational Publishing (HK) Ltd. Please stick the barcode label here. Go on to the next page 9. In Figure 2, ABCD is a square. E and F are points lying on BC and CD respectively such that BAE CBF + + = . AE and BF intersect at the point G . D C E F G A B Figure 2 (a) Prove that A BFC BG 3 3 + . (b) If BC 20 cm = and AG 16 cm = , find the length of BG . (5 marks) Sample © United Prime Educational Publishing (HK) Limited 2025 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher.