Wednesday

September 3, 2014

September 3, 2014

Posted by **Anonymous** on Friday, December 2, 2011 at 5:21pm.

- Agrebrla -
**Damon**, Friday, December 2, 2011 at 5:40pmthe angle opposite the biggest side is biggest.

law of cosines

5^2 = 1^2+3^2 - 2 *1*3 cos A

- Algebra - update -
**Steve**, Friday, December 2, 2011 at 5:51pmHowever, since we don't know the sides, the law of cosines doesn't help us much.

1+3+5 = 9

180/9 = 20

so the angles are 20:60:100

The largest angle is 100°

**Answer this Question**

**Related Questions**

Geometry - Please answer at least one . PLEASE 1. Triangle XYZ has a right ...

math - im doing angles and such...how can you find the measurements of all ...

Math - The three interior angles of a triangle are in a 1:3:6 ratio. Find the ...

Math - The measures of the angles of a triangle are in the ratio 1:2:3. Find ...

HELP!!!!RIGHT NOW!!!! - Which set of side lengths shows similar triangles? (1 ...

Pre-Algebra - Can someone please show me how to do these problems? I've been ...

Math - If the measures of the angles in a triangle are in the ration 3:4:5, the ...

Math - Which set of side lengths shows similar triangles? Triangle ABC : 40, 20...

geometry - Angle ABC and angle EBF are a pair verical angles. The measurement of...

algebra. - problems about angles: Hi. I needed help on some problems for the ...