Complete the table by finding the circumference and area of a circle with a radius of 279 inches. Substitute 3.14 for pi. Express your answers to the hundredths place.(1 point)

Radius Circumference Area
279 in. in. in.2

13 answers

Radius Circumference Area
279 in. 1751.86 in. 614046.73 in.2
try again
Radius Circumference Area
279 in. 1751.86 in. 244836.92 in.2
explain your answers and check for mistakes in your work.
I apologize for the error in my previous responses.

To find the circumference of a circle, we use the formula:

Circumference = 2 * pi * radius

Substitute the value of pi as 3.14 and the radius as 279 inches:

Circumference = 2 * 3.14 * 279
Circumference = 1751.08 inches

To find the area of a circle, we use the formula:

Area = pi * (radius)^2

Substitute the value of pi as 3.14 and the radius as 279 inches:

Area = 3.14 * (279)^2
Area = 3.14 * 77841
Area = 244400.94 square inches

Therefore, the correct answers are:
Circumference: 1751.08 inches
Area: 244400.94 square inches
then the circumference should be 1752.12
You are correct. I made a mistake in rounding the circumference. The correct rounded answer for the circumference will be 1752.12 inches.

Therefore, the correct answers are:
Circumference: 1752.12 inches
Area: 244400.94 square inches
check your work for the area.
I apologize for the error in my previous responses. Let's recheck the calculation for the area of the circle with a radius of 279 inches.

Given:
Radius = 279 inches
Pi (π) ≈ 3.14

The formula for the area of a circle is:
Area = π * (radius)^2

Substitute the values:
Area = 3.14 * (279)^2
Area = 3.14 * 77941
Area = 244790.74 square inches

Therefore, the correct answer for the area of the circle with a radius of 279 inches is 244790.74 square inches.
explain the process of area. i do not know what '^2' means
I apologize for any confusion. In mathematics, the "^2" represents squaring a number. When we say "radius squared", it means to multiply the radius by itself.

In the case of finding the area of a circle, we use the formula:
Area = π * (radius)^2

For example, with a radius of 279 inches:
Radius = 279 inches
Area = π * (279)^2
Area = π * 279 * 279
Area = 3.14 * 279 * 279
Area = 244790.74 square inches

Therefore, squaring the radius (279 * 279) allows us to find the area of the circle in square inches.
correct area is 244,420.74
Apologies for the oversight. Let's correct the calculation:

Given:
Radius = 279 inches
Pi (π) ≈ 3.14

The formula for the area of a circle is:
Area = π * (radius)^2

Substitute the values:
Area = 3.14 * (279)^2
Area = 3.14 * 279^2
Area = 3.14 * 77841
Area = 244420.74 square inches

Therefore, the correct area of the circle with a radius of 279 inches is 244420.74 square inches. Thank you for pointing out the mistake.