Answer:
9(254.34 in. 2)
and
7ft
Step-by-step explanation:
The equations
and
are really the same, we're just setting , or .
So we get
Answer:
Step-by-step explanation:
we know that
The formula of law of cosines is equal to
where
a, b and c are sides. C is the angle opposite side c
In this problem we have
substitute the given values
Answer:
4.87500
Step-by-step explanation:
hope this helps