Friday

August 29, 2014

August 29, 2014

Posted by **Anonymous** on Sunday, February 13, 2011 at 5:58pm.

feet

- college Trig -
**helper**, Sunday, February 13, 2011 at 6:11pmTriangle ACB, C = 70 deg, a = 70, b = 50

find side c

Use Law of Cosines--Case III

(Given two sides and the included angle)

c^2 = a^2 + b^2 - 2ab cos C

c^2 = 70^2 + 50^2 - 2(70)(50) cos 70

Solve for c

**Related Questions**

geometry - To find the distance from the house at point D to the house at point ...

Pre-Calculus-Trig - A surveyor stakes out points A and B on sides of a building...

trig - The angle of elevation from the top of a house to a jet flying 2 miles ...

trig - From a point 45 meters above level ground, a surveyor measures the angle ...

Algebra/Trig Check Answers please - Can you please check these answers thanks 1...

Math - Need help on the problem below with 4 coordinate points. "compute the ...

Trig - a sailor out in a lake sees two likght houses 11km apart along the shore ...

Physics - We are standing at a distance d=15 m away from a house. The house wall...

math - A tree, in danger of falling , stands 65 feet from the house. The angle ...

math - A carpenter is adding a sun room to the back of a house. If the width of ...