Posted by **Tammy ** on Wednesday, December 9, 2009 at 2:50pm.

My question is little a=6.17,; little b=5.25, little c=3.02 . Find A

- Trigonometry -
**Tammy **, Wednesday, December 9, 2009 at 2:53pm
It does have find all angles of a triangle ABC. little a=6.17,little b=5.25,little c=3.02 . Find CAP A

- Trigonometry -
**Reiny**, Wednesday, December 9, 2009 at 3:28pm
By the cosine law

6.17^2 = 3.02^2 + 5.25^2 - 2(3.02)(5.25)cosA

cosA = -.043279

angle A = 92.48 degrees

I would then use the Sine Law to find the second angle, and then the "sum of the angles in a triangle" theorem to find the third one.

## Answer This Question

## Related Questions

- English - Why don't you try a little harder? Why not try a little harder? Why ...
- English - Native speakers - Can we say : Scientist have a little hope of finding...
- science - can one of you little monsters help me by answer my question that i am...
- Language Arts - in "your little voice"...what is the purpose of the image of ...
- Physiology - For discussion of endocrine disorders 1.Diabetes insipidus Hormone ...
- novel question - in the book "the little prince" by Antoine de Saint-ExupĂ©ry ...
- English - 1. He observes keenly, but says little. 2. He watches keenly, but says...
- yes or no question - hi i have to do a project where i have to find media bias ...
- Physical Science - Calculate: In the following equation, 417.96 g of Bi (bismuth...
- Math Venn Diagram - I need help with these questions: A survey of 115 children ...

More Related Questions