Mathematics, 28.06.2019 23:20, randyg0531

a circle has a circumference of 2 pi cm. which statement about the circumference and area is true?
a. comparison of the area and circumference is not possible since the area cannot be determined.
b. the numerical values of the circumference and area of the circle are equal.
c. the numerical value of the circumference is greater than the numerical value of the area.
d. the numerical value of the circumference is less than the numerical value of the area.
!

Answers: 3

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Answers

answered: lakinbacon4

The numerical value of the circumference is greater than the numerical value of the area

Step-by-step explanation:

Verify each statement

case A) Comparison of the area and circumference is not possible since the area cannot be determined.

The statement is False

Because

The area can be determined, since knowing the circumference, I can calculate the radius and with the radius I can know the area.

case B) The numerical values of the circumference and area of the circle are equal

The statement is False

Because

The circumference is equal to $C=2\pi \ cm$

Find the radius

we know that

$C=2\pi r$

substitute the given values

$2\pi=2\pi r$

$r=1\ cm$

Find the area

$A=\pi r^{2}$

substitute the value of radius

$A=\pi (1)^{2}$

$A=\pi\ cm^{2}$

therefore

$2\pi \neq \pi$

case C) The numerical value of the circumference is greater than the numerical value of the area

The statement is True

because

Compare the numerical value

$2\pi \pi$

see the case B) procedure

case D) The numerical value of the circumference is less than the numerical value of the area

The statement is False

Because, the numerical value of the circumference is greater than the numerical value of the area

see the case B) procedure

answered: Guest

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step-by-step explanation:

answered: Guest

12m

step-by-step explanation:

square root means have of a number so have of 3 is 1.5 then multiply it by 8 and you get your answer!