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### Video instructions and help with filling out and completing How Form 1094 B Index

### Instructions and Help about How Form 1094 B Index

Vidiyal is going to talk about how to find the arc length assert their heart first thing we have to realize we're giving some radius by some angle we're trying to find the sr5 that is officer all right that is part of a circle so instead of development of formula but you can't remember going to talk about problems we can understand and then figure out how to do it in the future so if I say find the arc length s2 following case for fading equals Tyree we know that Iranian for those needs openal radiant eyes above 90 degrees so we know that this case has gradient though hi but we can also write this as a first of 180 degrees well we know how the answer this pretty quickly just using our logic we know the distance all the way around the circle it's called comfort you know that's equal to 2 pi r or pi d we know we had a radius three so at this time we would agree the diameter six inches so it's a comfort to the entire circle a 6 pi interest well it's obvious that we only have half of the surface so it's pretty easy to take tap all 65 in this case s is going to be the arc length here will be 35 the real question is how do we tied that is something that makes sense when it's not so obvious what you have to pick up here is you knew it was half because the how many degrees out of how many well circle always has 360 it's always proportional in this case you have to catch the degrees are proportional to the arc length and this compass anytime you're asked to do this you...