1. Find the length of the labelled side in each of the following triangles. Give your answer correct to one decimal place. 11 m
(i) 11 m 62°
62° t t
(iv)
16 cm 16 cm
z z
a
28° 28°
18° 18°
60 m 60 m
(ii) 3·5 (v)
x x
(ii)
61° 61°
105 mm 105 mm
(iii)
x x
w w
(vi)
25 mm 25 mm
14° 14°
2. Find the length of the labelled side in each of the following triangles. Give your answer correct to one decimal place. (i)
17·3 (iii) a 10·8 10·8 (iv) 60° 4·1 60°
4·1 x
x
3. Find the length of the labelled side in each of the following triangles. Give your answer correct to one decimal place.
(i) x 38° 7·8 50° s
4. Find the measure of the labelled angles in each of the following triangles. Give your answer correct to the nearest degree.
(i) 9 cm 9 cm x° 4·8 cm x° 4·8 cm (iv) y° 13·7 m y° 13·7 m 5·6 m 5·6 m (v) 28 mm 28 mmj° 60 mm j° 60 mm Section C Applying our skills 29·3 cm 549 a° (ii) 91 mm 91 mm 87 mm 15·1 m 87 mm (vi) 8·6 cm a° 8·6 cm 29·3 cm a° (iii) a° m° 15·1 m 18·2 m m° 18·2 m 35·8 8·4 x (ii) (iii) 35° x x (v) 64° 64° 20° 20° 3·5 m m 4·9 4·9 (vi) 46° 46° q q 40° 2·43 40° 2·43 40° 17·3 40° x x