Topic: arclength list of topics
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17 items are filed under this topic.

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	Radius angle and arc length		2016-11-24
		From pavidthra: Length or arc 11 and angle of subtended 45.need to find a radius Answered by Penny Nom.
	A chord of a circle, the central angle and the radius		2016-01-26
		From Nishan: If chord length is given along with angle then how to calculate the radius. Answered by Penny Nom.
	The distance over a Quonset		2015-08-20
		From jane: total base of hemisphere is 30 ft apex height is 20 feet what is total length over dome Answered by Penny Nom.
	A reversed curved on a railroad track		2014-06-19
		From cherrielyn: Assuming that earth is a sphere of radius 6380 km, what is the difference in the latitudes of two cities 270 miles apart positioned on the same meridian? Thank you in advanced po! :) Answered by Penny Nom.
	A sector of a circle		2011-01-07
		From Alice: the radius of a circle is 7cm the angle of the sector is 68 how do you find the Answered by Penny Nom.
	Forming an arc with 2 inch steel		2009-02-11
		From Craige: I need to calculate the bending radius of 2" wide steel to achieve given inside and outside arc lengths Answered by Harley Weston.
	A space camera circles the Earth		2008-06-16
		From Rita: A space camera circles the Earth at a height of h miles above the surface. Suppose that d distance, IN MILES, on the surface of the Earth can be seen from the camera. (a) Find an equation that relates the central angle theta to the height h. (b) Find an equation that relates the observable distance d and theta. (c) Find an equation that relates d and h. (d) If d is to be 3500 miles, how high must the camera orbit above Earth? (e) If the camera orbits at a height of 400 miles, what distance d on the surface can be seen? Answered by Penny Nom.
	Arclength		2008-06-07
		From prem: i am engineer, i need the formula for calculate the arclength by using only chord length and radius only Answered by Penny Nom.
	Chords and arc lengths		2007-03-08
		From Angela: my dad, who is a welder, asked me a question pertaining to chords and points on an arc to which I cannot for the life of me find an answer or an equation. if you could help, it would be much appreciated. I am sending an attachment of the problem. Answered by Stephen La Rocque.
	The length of an arc		2004-11-21
		From Daryl: I am tying to find the arc length of a line 6' and the vertex of the arc 1' off of the line. that is all that is known Answered by Penny Nom.
	The railing around a pool		2004-07-26
		From Bob: I have a 15' circular above ground pool. Around the perimeter of the pool are eleven (11) sections of railing. Each rail has 5 slots at each end for pins. I have calculated that the length of the arc under the railing to be 51.4". what I am trying to determine is the distance between the end points of the arc so that I can figure out which slot to use in the rails without going round and round the pool moving and removing the rails until they finally fit. Been there, done that, no fun. Answered by Penny Nom.
	How would you find the length of the chord?		2002-10-31
		From A draftsperson: If given the length of an arc and the distance from the midpoint of the arc to the midpoint of a chord, how would you find the length of the chord and the radius of the arc. The chords endpoints are the same as the the arcs endpoints. Answered by Penny Nom.
	Arclength of an ellipse		2001-07-03
		From A hobbyist: What is the equation (with the length of the arc as a variable) for one quadrant of the ellipse,... Answered by Claude tardif.
	Arc of a sphere		2001-03-04
		From Some students: My friends and i have a geometry project and we cannot seem to figure out how to find the arc of a sphere. Answered by Harley Weston.
	Arclength of a circle		2000-01-19
		From Holly: What is the formoula for finding the arc length of a central angle of a circle?? Answered by Harley Weston.
	A roll of paper		2000-01-15
		From Richard: I have a roll of paper, wrapped around a corrugate core, whos diameter is 10.750 in. The outer diameter of the roll is approx. 60 in. The thickness of the paper is .014 in. I am trying to find out how much linear feet of paper is left on the roll, given only the diameter of paper remaining on the core. Answered by Chris Fisher and Harley Weston.
	Length of a line		1999-10-10
		From Dagmara Sarudi: My question has to do with the length of a diagonal. This problem came up when I thought about the shortest distance between two points, for example walking from one point to another in my neighborhood. I can choose a zig zag route and assuming the blocks I walk are exactly the same length, it shouldn't matter what route I took, the distance I travel should still be the same when I reached my goal. If, on the other hand I could travel in a diagonal line, the distance would be shorter. But what if, in my zig zag motion, the sections get so small the route approaches a diagonal. Shouldn't it be that each separate section added together equals the value of the two original sides? Or would it suddenly equal the value of the diagonal (which, of course was shorter than the two sides added together)? What gives? Answered by Chris Fisher and Harley Weston.

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