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 5 cm 9 cm
y 14 cm 15 cm (ii)
c 8 cm 23 cm (iii)
m 17 cm 29 cm(iv)
y 14 cm 10 cm (v)
b 36 cm 12 cm (v)
e 4.8 m 5.9 m (vi)
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. 48 mm L M N 22 mm
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. Calculate the length of the support (marked x on the diagram). 3m 1.2m x