. A farmer wants to wall off his four-sided plot of flat land, as shown in the figure. He measures the first three sides, labeled as A, B, and C, where A = 4.73 km, B = 2.38 km, and C = 2.8 km, and then correctly calculates the length and orientation of the fourth side D. D = ? km D YA+B+C+D=0 C 19⁰. 16° 0= ? 7.5° A B W N S E

An Introduction to Physical Science
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Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
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Chapter1: Measurement
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A farmer wants to wall off his four-sided plot of flat land, as shown in the
figure. He measures the first three sides, labeled as A, B, and C, where A = 4.73 km, B = 2.38 km,
and C = 2.8 km, and then correctly calculates the length and orientation of the fourth side D.
Part (a) What is the length of the vector D in kilometers?
Part (b) What is the orientation of the vector D, in degrees west of south?
D = ? km
D
y + A+B+C+D=0
C
19°
16°
0= ?
7.5°
A
B
W
N
S
E
Transcribed Image Text:A farmer wants to wall off his four-sided plot of flat land, as shown in the figure. He measures the first three sides, labeled as A, B, and C, where A = 4.73 km, B = 2.38 km, and C = 2.8 km, and then correctly calculates the length and orientation of the fourth side D. Part (a) What is the length of the vector D in kilometers? Part (b) What is the orientation of the vector D, in degrees west of south? D = ? km D y + A+B+C+D=0 C 19° 16° 0= ? 7.5° A B W N S E
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