Maria3737
23.12.2019 •
Mathematics
What is the area of the circle if xy=10ft?
answer options: 25pi ft2, 10pi ft2, 5pi ft2, 20pi ft2
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Ответ:
(First option)
Step-by-step explanation:
The formula for calculate the area of a circle is the one shown below:
Where r is the radius of the circle.
XY is the diameter. Then the radius is:
Substitute values into the formula shown above. Therefore, the area of the circle is:
Ответ:
The correct answer is first option 25pi ft2
Step-by-step explanation:
Formula
Area of circle = πr²
r - Radius of circle
To find the area of given circle
Here XY = 10 ft
XY is the diameter of given circle
Radius r = Diameter/2 = 10/2 = 5 ft
Area = πr² = π5² = π x 5 x 5 = 25π ft²
Therefore area of given circle is 25π ft²
The correct answer is first option.
Ответ:
is 2
But in what grade you in??