Answer:
11.8 in.
Step-by-step explanation:
Answer:
113
Step-by-step explanation:
Answer:
O 14
Step-by-step explanation:
hope it is helpful :)
The correct option is : 2
<u><em>Explanation</em></u>
For finding the mean number of working TV sets, we need to <u>divide the total number of TV sets by the total frequency</u>.
Now for finding the total number of TV sets, first we will <u>multiply each number of TV sets by it's frequency and then sum up all the results</u>.
So, the total number of TV sets

and total frequency 
Thus, the mean number of working TV sets 
It will tell you if the wall meet at a perfect right angle.
In a right triangle, the sum of the squares of the legs is equal to the square of the hypotenuse. This can be used to test any triangle.