Answer:

Step-by-step explanation:
For Q1 and Q2


For Q3 and Q4

4.5, 4, 3.5, 3, 2.5, 2 and use the pencil and ruler, love a bit of MathsWatch
Answer:
c
Step-by-step explanation:
Step-by-step explanation:
Recall the Ratio for tan
Tan(theta) = opposite / adjacent
Tan (x) = 9 / 5
solve for x (use Tan^-1(...) )
21:3
9:3
3:1
there all a 3:1 ratio