Sas Law Of Cosines. Use the law of cosines to find side a first. A 2 74 45 924.
A 2 74 45 924. Use the law of cosines to find side a first. Consider the triangle abc where a is 15 c is 20 and angle b is 124 degrees.
Consider the triangle abc where a is 15 c is 20 and angle b is 124 degrees.
To solve the triangle we need to find side a and angles b and c. When you have two sides of a triangle and the angle between them otherwise known as sas side angle side you can use the law of cosines to solve for the other three parts. A 2 b 2 c 2 2bc cosa. Consider the triangle abc where a is 15 c is 20 and angle b is 124 degrees.
