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There is no exact rule for lines of best fit. However, in general, there should be roughly the same amount above as below. So, if we are following this rule, there should be about 4 below as well.
Volume is L x W x H. Since the three dimensions are all multiplied by each other it doesn't matter the order.
This means the answer would be D.
1. Calculate the market share that you have (7%)
2. Calculate what 10% of the market share would be
3. Subtract 10% from 7%
X is:
tan50 = 28 / x
1.19 = 28 / x
1.19 / 28 = x
x = 0.04
But Im not sure
About the area of triangle
You can use the both formula