<h3>Answer;</h3>
C. The alternative form of the law of cosines
When given all three side lengths of a triangle but none of the angle measures, you can solve for all angle measures using<u> the alternative form of the law of cosines</u>.
<h3>Explanation;</h3>
- From the law of cosines, given that a, b and c are the edges of a triangle and A, B and C are the corresponding interior angles of the the triangle.
<h3>Then; a² = b² + c² − 2 bc cos A, or</h3><h3> b² = a² + c² − 2 bc cos B, or</h3><h3> c² = a² +b ² − 2 bc cos C</h3>
Therefore; when given all the sides or edges of the triangle;
- we can use the law of cosines to find one angle, then
- we use the law of cosines again to find the second angle, and finally,
- we use the point that angles in a triangle add up to 180 to get the third angle;
<h3 />
Answer:
x = 34
Step-by-step explanation:
Add x+24 to both sides of the equation and simplify.
2 + 8 - x + x + 24 = -24 + x + 24
34 = x
Replace n with 3237 so you have 78*3237
And you get 252486 as your answer
As 24 is an Element of 1st Row and 2nd Column
The Address of Element 24 is K₁₂
Last Option is the Answer