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Answer:
Perimeter= πd or Perimeter= 2πr
Step-by-step explanation:
d= diameter
r = radius
There are many.
46/60, 92/120, 184/240, etc.
W+6, as more means addition and w is an unknown number
Big ifs, question writers. These are of course approximations.
The "co" in cosine comes from complementary angles. It means since


Answer: cos 48° = 2/3
Similarly,


Answer: tan 69.5° = 8/3