Answer:
9.6
2.4.
Step-by-step explanation:
It is easy. If you do with calculator it's easy.
Answer:
no
Step-by-step explanation:
Answer:
its 5 hours i think
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can prove that a tangent will always be perpendicular to the radius touching it. So, the other angle in the diagram is
.
Because all the angles of a triangle sum to
, we have that
.
We combine like terms on the left side to get
.
We subtract
on both sides to get
.
So,
and we're done!