400 is 10 times as much as 40
2 answers:
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Answer. About 0.1 mm/day
<h3>Answer : 60°</h3><h3>Way to do </h3>
#look pic for detailed info
180° - 125° = 55°
180° - 115° = 65°
180° - 55° - 65° = 60°
180° - 60° = 120°
180° - 120° = 60°