Answer:
r = 2.8 in ( to 1 dec. place )
Step-by-step explanation:
substitute the given values into the formula
25 = 3.14r² ( divide both sides by 3.14 )
r² = [tex]\frac{25}{3.14}[/tex] ( take the square root of both sides )
r = [tex]\sqrt{\frac{25}{3.14} }[/tex] ≈ 2.8 in
