Find the area of the given circle. round to the nearest tenth.
22.0cm (squared)
38.5cm (squared)
11.0cm (squared)
42.8cm (squared)
What circle ???
how could the bot give an answer ???
To find the area of a circle, you can use the formula A = πr^2, where A is the area and r is the radius of the circle.
Unfortunately, you haven't provided the radius of the circle for each given area. The area of a circle cannot be determined solely by its value in square centimeters.
Please provide the radius for each given area so that I can help you find the areas of the circles accurately.
To find the area of a circle, you need to use the formula: A = πr^2, where A represents the area and r represents the radius of the circle.
Given the areas:
1) 22.0cm²
2) 38.5cm²
3) 11.0cm²
4) 42.8cm²
To determine which one is the area of the given circle, we need to solve for the radius using the formula for area of a circle.
Let's start by solving for the radius, r:
1) A = πr^2, rearrange the formula to solve for r:
r^2 = A/π
r = √(A/π)
2) Substitute the given areas into the formula and calculate the radius for each option:
a) radius for 22.0cm²:
r = √(22.0cm²/π)
b) radius for 38.5cm²:
r = √(38.5cm²/π)
c) radius for 11.0cm²:
r = √(11.0cm²/π)
d) radius for 42.8cm²:
r = √(42.8cm²/π)
3) Calculate the radius for each option using a calculator.
4) Once you have the radius for each option, substitute it back into the formula for area of a circle, A = πr^2, to find the area for each circle.
5) Round the area of the circle to the nearest tenth.
By following these steps, you can find the area of the given circle and round it to the nearest tenth.