10 because if you take 56 divided by 9 that would equal 6.22222 so it would be 7 since you can’t have .222 shelves
The answer is 16 units
An easy way to find the perimeter is remembering the formula of a+b+c.
So in this case, you count how many units each line of the triangle it covers. 4+6+6= 16
Answer:
what was the answer?? I am also needing to know!
Answer:

Step-by-step explanation:
The Law of Cosines is given as:
.
Plugging in given values, we get:
.
Answer:
it should be 2/12 and 9/11
Step-by-step explanation: