Cambridge International Mathematics

The theorem of Pythagoras (Chapter 8) 173

2 Find the length of the third side these triangles, giving your answers correct to 3 significant figures:

abc

3 Findxin the following, giving your answers in simplest surd form:

abc

4 Solve forx, giving your answers in simplest surd form:

abc

5 Find the values ofx, giving your answers correct to 3 significant figures:

abc

6 Find the value of any unknowns, giving answers in surd form:

abc

7 Findx, correct to 3 significant figures:

ab

8

6cm

11 cm

xcm

1.9 km

2.8 km

xkm

9.5 cm

xcm

~` 1 ` 0 cm

xcm

3cm

xcm ~`^2 cm

~` 7 cm

~` 5 cm

xcm

1cm

xcm

Qw_cm

xcm

Qw_cm

Ew_cm

2cmx xcm

9cm

26 cm

3cmx

2cmx

2mx

3mx

~` 2 ` 0 m

xm

1m

Ö`3 2 m

xcm

3cm

2cm

ycm

4cm

7cm

2cm

xcm

ycm

()x-2 ¡cm

13 cm

5cm

3cm 4cm

xcm

5m

9m

A

BD

C

1cm

3cm

2cm

xcm ycm

Find the length of side AC correct

to 3 significant figures:

IGCSE01

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100 100
(^05255075950525507595)
100 100
Y:\HAESE\IGCSE01\IG01_08\173IGCSE01_08.CDR Friday, 10 October 2008 4:45:11 PM PETER