  Math Central - mathcentral.uregina.ca  Quandaries & Queries    Q & Q    Topic: arcs   start over

11 items are filed under this topic.    Page1/1            Two overlapping arcs in a square 2014-03-15 From Jean:I have a square with side 4 cm. There are two overlapping arcs going from vertex to diagonal vertex. The other two vertices are the center of the arcs, which are shaded. How do I find the area of the shaded arcs? The overlapping arcs when shaded resemble a long thin football Thank you for your help.Answered by Penny Nom and Walter Whiteley.     A problem with arc sine 2006-07-07 From Scott:How to prove arc sin x = arc tan( (x)/√(1-x2)) Answered by Penny Nom.     The interior angles of a right triangle 2006-05-20 From Greg:I am wondering if there is a way to figure out the interior angles of a right triangle if we know ONLY the side lengths, and the trick is, we CANNOT use arctangent!Answered by Leeanne Boehm and Penny Nom.     Sectors and arcs 2006-01-25 From Wael:How is the area of an arc (alpha*pi*r squared/360) derived? How is the length of an arc (alpha*pi*r/180) derived?Answered by Penny Nom.     arcsech x 2005-02-10 From Monica:Prove that arcsech x = ln[(1 + (1-x2)(1/2)) / x ]Answered by Penny Nom.     Arcs and chords 2005-01-09 From Aniesha:A chord of a circle is 48 centimeters long and is 10 centimeters from the center of the circle. Find the radius?Answered by Penny Nom.     A belt around two pulleys 2004-12-07 From Ian:a belt is stretched around two pulleys whose centers are d units apart and whose radii are R and r respectively (obviously R+r    Page1/1    Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.    about math central :: site map :: links :: notre site français