Option B: 
is the area of the compact disc.
Explanation:
The diameter of the compact disc is 
.
To determine the area of the compact disc, let us substitute the values in the area of the circle formula,
where 
Substituting the value of d in , we get,
Thus, 
and 
. Let us substitute these values in , we get,
Simplifying, we have,
Multiplying, we get,
Thus, the area of the compact disc is
Hence, Option B is the correct answer.
The answer for 151+151 is 14
Length = 40ft
width = 20ft
40 + 40 + 20 + 20 = 120
Answer:
1.
Collinear points mean they are on the same line. That leaves us with answer d. F, E, G
2.
In this case, the intersection of the 2 planes is a line. 2 points both planes contain are B and C, so the intersection can be named as answer b: Line BC
3.
2 points define a line, so therefore the answer to the question is answer b. 1
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