Pythagoras Theorem Example For each of the following right angled triangles find the length of the lettered side, giving your answers to 2 decimal places. (i) x 9 cm 5 cm (ii) y 14 cm 15 cm (iii) c 23 cm 8 cm (iv) 29 cm 17 cm m (v) 14 cm y 10 cm (v) 36 cm b 12 cm (vi) 4.8 m 5.9 m e Example In triangle ABC, angle B = 90⁰ AB = 7cm and AC = 11cm. Work out the length of BC, giving your answer correct to 1 decimal place. Example Work out the length of NM in the triangle drawn below. M 48 mm N 22 mm L AQA June 2003 GCSE Paper A support for a flagpole is attached at a height of 3m and is fixed to the ground at a distance of 1.2m from the base. x 3m 1.2m Calculate the length of the support (marked x on the diagram).