The ratio is 8:20
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Answer:
63 for the whole figure, for the different shaded regions it goes as follows, 17.5 for the white area and 45.5 for the grey area
Step-by-step explanation:
<span>D is the correct answer. To work out the radius of a circle from the area, find the square root of the area/pi. This makes square root of 452.16/3.1416 = 12. The circumference is 2 x pi x r = 2 x 3.1416 x 12. The circumference is 75.3984.</span>
Answer:
The conclusion is valid.
The required diagram is shown below:
Step-by-step explanation:
Consider the provided statement.
If you follow our program, you will lose weight. You are not following our program if you do not lose weight.
Here the second statement is the contrapositive of the first statement.
Let x is the number of person who does not lose weight, and this person is outside the bigger circle, this person is also outside the small circle.
Therefore, the conclusion is valid.
The required diagram is shown below: