Find the radius of a circle with a circumference of 21.99 feet
Accepted Solution
A:
Answer:Radius ≈ 3.5 ftStep-by-step explanation:The formula of a circumference of a circle:[tex]C=2\pi r[/tex]r - radiusWe have C = 21.99 ft. Substitute and solve for r:[tex]21.99=2\pi r[/tex] divide both sides by 2π[tex]r=\dfrac{21.99}{2\pi}[/tex]Use [tex]\pi\approx3.14[/tex][tex]r\approx\dfrac{21.99}{2(3.14)}=\dfrac{21.99}{6.28}\approx3.5[/tex]