Which ratios are equivalent to the given ratio?
1 answer:
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In order to calculate standard deviation, apply the standard deviation formula, which is given in the attached file. In this formula, we are finding the square root of the sum of the square of given values less their mean value (the sum of the given numbers divided to their amount) divided to N-1, where N is the amount of the given numbers. When we calculate the mean, it is 42.7 and the standard deviation is 10.02275
we can see that
semicircle is cut off from a rectangle
Area of rectangle:
length =8
width =14
area =length*width
Area of semicircle:
diameter=8
so, radius =4
now, we can find resultant area
so, option-C..........Answer