How do u do this and what’s the anwser in struggling ?
2 answers:
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Answer:
<h2>2.2</h2>Step-by-step explanation:
Use the cosine law (look at the picture).
We have:
→ look at the second picture
You just need to use your test-taking skill to eliminate the wrong answers here.
There is no such thing as a "Congruent Angles Postulate," so the last two choices can be eliminated.
The AA Similarity Postulate refers to triangles, not angles, so the second choice can be eliminated.
That only leaves the (correct) first choice.
