Apps. and Interpretation for IBDP Maths Ebook 1 | Page 157

(a) Find the length of BC . (b) Find the length of AB . 4. The following diagram shows triangle ABC . [3] [3] 13 AB � 35 cm , AC � 54 cm , and the area of triangle ABC is 2 892 cm . (a) Find the size of the angle ˆ BAC . (b) Find the length of BC . [3] [3] www.seprodstore.com 147