Allison is evaluating the expression -5-(-2) using integer tiles. She begins with 5 negative tiles as shown. What should Alison
2 answers:
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Answer:
Step-by-step explanation:
2/3 pi radians = 2/3 * 180 = 2 * 60 = 120 degrees
split triangle in half:
30, 60, 90 triangle
1/2 PR= 4 root 3