8.2 Review Worksheet (continued)
26. EF
27. LM
28. m ∠ G
E
L
H
13
5
8.4 51˚ G
12.9
J
G
14
F
112˚
10.6
M
N
10.1
29. To find the distance across a lake, a surveyor locates points A, B, and C as shown. What is AB to the nearest tenth of a meter, and what is m ∠ B to the nearest degree?
A
55 m
59˚
C
B
108 m
8.2.3 Vectors Write each vector in component form. 30. JK with J (‒6, ‒7) and K (3, ‒5)
31. EF with E (1.5, ‒3) and F (‒2, 2.5)
32. w
w⃑
Draw each vector on a coordinate plane. Find its magnitude to the nearest tenth. 33. 〈 ‒2, 0 〉 34. 〈 1.5, 1.5 〉 35. 〈 2.5, ‒3.5 〉
Draw each vector on a coordinate plane. Find the direction of the vector to the nearest degree. 36. A boat’s velocity is given by the vector 〈 4, 1.5 〉 .
98
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