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10: A farmer wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and c in Eigure 16, and then correctly calculates the length and orientation of the fourth side D What is his result? = 3.02 km D=?km . C 16° 7.5 B 2.48 km A 4.70 km A Figure 16.

The farmer in Problem 10 must calculate the length and orientation of side D. In addition, to purchase the field, he must know its area, because the price is per square kilometer Refer to the diagram, Figure 16 of Ch. 3.3. TASKS: Carefully calculate all x- and y-components of A, B, C and D. Calculate the length and orientation of D. Show your work. BONUS TASK: calculate the area of the field, in square kilometers; answer to the nearest 0.1 km2

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= < 4.65471,-0.6145> kun g-こぐ0.68458) 2.333929> km ):-/Z 4.65979,-0.612)ら>十(-0.68353, 2.383929> 十<-2.85547, o.232425 〉78-90-667. 0 22.2 km and 23.3 X(2.4 3)+224) (30)2. 2. Hernls tormul ar(alod) n | 5.as (5 ass-4戒5965-4. ソ(S.965-2-83) 2. 2. 2

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