Answer:
s= 10
Step-by-step explanation:
cross multiplication
12*15= 180
180 divided by 18= 10
s=9
question 4
using sine rule:
question 5
using cosine rule:
A.) About 9.4 units
Distance = 9.433981
okay
I think you should use the method of tan 30
and then find x by using pythagorean theorem
m^2 - 3m = 0
m(m-3) = 0
