1. 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)
9 cm
5 cm x

2. (ii)
15 cm
11 cm y

3. (iii)
23 cm c
8 cm

4. (iv) m
17 cm
29 cm

5. Example
Work out the length of NM in the triangle drawn below. M
48 mm N L
22 mm

6. 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.

7. 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). x 3m
1.2m

8. (v)
14 cm y
10 cm

9. (v)
36 cm b
12 cm

10. (vi)
4.8 m
5.9 m e