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3 years ago

Can someone please help me.There is not just one answer there can be multiple

Mathematics

2 answers:

poizon [28]3 years ago

7 0

I believe that c, d and f are right

Roman55 [17]3 years ago

3 0

Hi 3DST3!

The diameter of a circle is x 2 the radius. The radius is, as you checked, 5m. Therefore the answer cannot be A.

The circumference formulas are $\pi$ * diameter or 2 $\pi$ (3.14 rounded)r. The radius of the circle is 5 and pi (rounded) = 3.14, therefore, 2*3.14*5. 2*3.14*5 = 31.4. Therefore b isn't a correct answer choice and neither is e.

The diameter, as I said, is 2 * r. Our r is 5. 2 * 5 = 10. 10 is our diameter and C the correct answer choice.

The area of a circle's formula is $\pi$ $r^{2}$ Therefore 3.14 * 5^2 -> 3.14 * 25 = 78.5. D is correct.

Answers that are correct:
C
D
F

Answers that are incorrect:
A
B
E

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