Answer:
2/1 or in better numbers 2
Step-by-step explanation:
The answer is 10mm, I answered this in a previous question.
Is a calculator allowed? 8/13 = 0.61538. Then take arccos of that to get 52 degrees. Arccos on a calculator might be seen as acos or inv-cos.
Answer:
2(7a + 143)
what are the answers or are you asking us to find them