Answer:
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
Step-by-step explanation:
Answer:
where is the rest of the question?
Step-by-step explanation:
The first relation gives two y-values for any given x-value (except x=6).
y² +x = 6 . . . . . is not a function
If my calculations are correct the answer is cut your answer in half
H=√d^2-w^2
=√146.4 1-92.16
=7.3 inches
the principle used here is pythagoras theorem
all the best.