Jill and Robert are running a race. The graph shows the linear relationship between the number of minutes each of them ran and the distance they have gone. After how many minutes will Robert and Jill have gone the same distance?

A. 2 min B. 6 min C. 10 min D. 20 min

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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i can't solve unless i know what the line is

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