Answer:
Twelve-fifths.
Step-by-step explanation:
The diagram is shown below
Given triangle be right angled at
,
Withe reference to
,
Its opposite side is
, adjacent side is
and hypotenuse is 
We are to find the value of 
We know 
Substituting the above values we get,

So the answer is Twelve-fifths.
Step-by-step explanation:
this Is hard to find.............
Answer:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Step-by-step explanation:
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