Homework Help: math

Posted by Haley on Wednesday, December 5, 2012 at 9:47pm.

The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.

math - Steve, Wednesday, December 5, 2012 at 11:35pm
area = 1/2 base * height
= 1/2 * 2(10sin(x/2)) * 10cos(x/2)
= 100 sin(x/2)cos(x/2)
= 50 sin(x)

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