Answer:
The shaded region is 
.
Step-by-step explanation:
The area of a circle is defined by the multiplication of the square of its radius, or half its diameter, by pi, or simply 
.
15m is the radius of the large circle, and also the diameter of the smaller circles.
The area of the shaded region will be the subtraction of the area of the two smaller circles from the area of the larger circle.
As such:
The player took a total of 70 shots and missed about 28 shots.
<h3>
Percentage</h3>
Percentage is used in expressing a fraction number or decimal in fraction of 100. It is expressed using the '%' sign.
Given a total shot of 100, since the player took 70% of the shot, hence:
Total shot taken by the player = 70% of 100 = 0.7 * 100 = 70 shots.
Total shot shot missed = (100% - 60%) of 70 = 40% of 70 = 0.4 * 70 = 28 shots.
The player took a total of 70 shots and missed about 28 shots.
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