How do I calculate the area of a circle if diameter is 10yd?

1 Answer
Jim G.
Jun 19, 2018

#"area "=25pi~~78.54" yards"^2#

Explanation:

#"the formula for calculating the area (A) of a circle is "#

#•color(white)(A)=pir^2larrcolor(blue)"r is the radius"#

#"given diameter "=10" then "r=10/2=5#

#A=pixx5^2=25pi" yards"^2larrcolor(red)"exact value"#

#color(white)(xxxxxxxx)~~78.54" to 2 dec. places"#

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