Hi, Can anybody tell me the formula for getting an angle A when I have the lengths of the 3 sides of a triangle. Ive forgotten how to do it. Thanks for the help
Last edited by Bobby Bob; April 8th 2005 at 11:51 AM.
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To find an angle when you have the lengths of the three sides you can use the following formula: a^2 = b^2 + c^2 - 2(bc)cosA where a is the length of the side opposite A, and b and c are the lengths of the other sides. Math Guru
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Originally Posted by vms Hi prof How to post the images like this in the messages thanx the prof created the image and then uploaded it. If you have an image you want to display you can simply attach it when you create the post
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