video1.0<iframe src="https://www.loom.com/embed/551a3320521346ac83ed81e849dd62b1" frameborder="0" width="962" height="721" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>721962Loomhttps://www.loom.com721962https://cdn.loom.com/sessions/thumbnails/551a3320521346ac83ed81e849dd62b1-00001.jpg100p: In the circle above, segment AB is a diameter. If the length of arc ADB is 8π, what is the length of the radius of the circle? a: 2 ; 4 ; 8 ; 16 ;