Answer:
10 ft
Step-by-step explanation:
5 1/2%=5.5%
5.5%=5.5/100=55/1000
55/1000=11/200
Answer:
45°
135°
Step-by-step explanation:
Let the measure of one angle be x
So, measure of its supplementary angle = 3x

Answer:
2
Step-by-step explanation:
because u have to single out the 3 x by subtracting 2 on both sides
Answer:
s= 15 (nearest integer), 14.8 (to nearest 10ths)
Step-by-step explanation:
here you need to apply the cosine rule,

substituting the values,
u= 13, t=5 and angle S as 60 and solving will give you the answer 14.76 (2 dp)