BrandonBBB
19.07.2019 •
Mathematics
Based on the sketch below, how far is joey’s house from the park?
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Ответ:
c ^ 2 = a ^ 2 + b ^ 2 - 2 * a * b * cos (theta)
Substituting values we have:
c ^ 2 = (1.2) ^ 2 + (1.3) ^ 2 - 2 * (1.2) * (1.3) * cos (40)
Clearing c we have:
c = root ((1.2) ^ 2 + (1.3) ^ 2 - 2 * (1.2) * (1.3) * cos (40))
c = 0.86 miles
The distance between the park and Joey's house is:
c = 0.86 miles
Ответ: