Answer:
15
Step-by-step explanation:
A midpoint divides a line segment into equal halves.
The value of x is 3.4
Given that:


Since M is the midpoint, then:

So, we have:


Collect like terms


Solve for x

<em>Hence, the value of x is 3.4</em>
Read more about midpoints at:
brainly.com/question/2441957
The equation for area is pi times r^2.
Here the diameter is 12, so the radius would be 6. (Diameter is twice the radius.)
Substituted this is pi times 6^2.
The area for the picnic table is about 113.097
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The equation for circumference is 2 times pi times r.
Substitute, 2 times pi times 6.
The circumference is about 37.699