Posted by **jophy** on Monday, November 26, 2012 at 9:10pm.

the end of a pendulum of length 40cm travels an arc length of 5 cm as it swings through an angle alpha.find the measure of the central angle

- trigonometry -
**bobpursley**, Monday, November 26, 2012 at 9:14pm
arclength=radius*angleinradians

solve for angleinradians

- trigonometry -
**jophy**, Wednesday, November 28, 2012 at 6:46am
how to answer this problem ..i need help ..i need solution for this problem can you give me answer

an isosceles triangle is inscribed in a circle of radius 100 in.find the angles of the triangle if its base subtends an arc of 143.7 in

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