27 - 30
21 - 26
15 - 20
less than 15
UNIT TEST
Very good
Good
Fair
Should be improved
I’ve got .......................….… marks.
PART 1
Find the value of x in each right-angled triangle. Round the answer to 1 decimal place.
(1 mark each)
1. 2.
x cm
60๐
x cm
8 3 cm
30๐
9 cm
x = 6 3 or ≈ 10.4 cm
x = 8.0 cm
3. 4.
25๐
12 cm
20 cm
x cm
70๐
x cm
x ≈ 5.1 cm
x ≈ 6.8 cm
Unit 5 TRIGONOMETRIC RATIOS 229