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rileysndr1782
30.06.2019 •
Mathematics
Kayla walked 4 kilometers due east before turning left and walking 2.5 kilometers due north. she turned again and returned to her starting point by walking a straight path. what was the angle of the last turn? round to the nearest degree.
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Ответ:
Ответ:
step-by-step explanation:
no, her answer is not correct. we square the lengths of all sides and then determine whether the pythagorean theorem holds here:
9² + 15² = 306. this is not equal to the square of the longest side ( that square being 395. answer c is correct.