How to find the radius of a circle with the area given

R=√area/π

Step-by-step explanation:

Area of a circle=πr^2

Divide both sides by the

r^2=area/π

Square root both sides

r=√area/π

r=√(a/π)

Step-by-step explanation:

Area(a)=π x (radius(r))^2

a=π x r^2

Divide both sides by π

a ➗ π=(πxr^2) ➗ π

a/π=r^2

Take the square root of both sides we get √(a/π)=r

Therefore r=√(a/π)

b. astronomers

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.