The scatter plot shows the number of chin-ups and push-ups completed by a sample of fourth grade students.
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<span>Let the distance from A to the ends of the lake be w and r . From the given it appears that
w / sin 104 = 136 / sin 56 and r / sin 120 = 136 / sin 15....solve for w & r.
then L² = r² + w² - 2 r w cos 65 , where L = length of the lake...
attached a picture
</span>
w / sin 104 = 136 / sin 56 and r / sin 120 = 136 / sin 15....solve for w & r.
then L² = r² + w² - 2 r w cos 65 , where L = length of the lake...
attached a picture
</span>