(Circumference of circles)
please explain so I can understand

Answer:
Step-by-step explanation:
[tex]C=2\pi r,\ r=4.5,\ L=C+10\\ \\ L=2(4.5)\pi +10\\ \\ L=9\pi +10\\ \\ L\approx 38.27in[/tex]
Answer:
45
Step-by-step explanation:
what i did was 4.5 x 10 and i got 45