Answer:
actually what is this is you is this a geometry, trigonometry I don't know what to call
18. S=r^2-t^2
S+t^2=r^2
r=sqrt(S+t^2)
20. Tan 18=x/12
x=12×Tan 18
x=3.899036355
x=3.90
I hope this helps.
Answer:
Usually people don't give step by step explanations but you could explain how you solved it for example
x=5
Step-by-step explanation:
and then show how you solved the equation "2x=10"
Answer:
26.85in
Step-by-step explanation
7 plus 7 plus plus 5 equals 19 plus the semi circle of 7.85
