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Serjik [45]
3 years ago
15

North

Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0

Answer:

1. BC = 86 Km

2. 090°

Step-by-step explanation:

1. Determination of BC

AB = 27 Km

AC = 82 Km

BC =?

Since the figure is a right angle triangle, we shall determine BC by using pythagoras theory. This is illustrated below:

BC² = AB² + AC²

BC² = 27² + 82²

BC² = 729 + 6724

BC² = 7453

Take the square root of both side

BC = √7453

BC = 86 Km

2. Determination of the bearing of C from A.

From the diagram given above, we can see that angle from A and C is 90°. Thus, the bearing of C from A is 090°

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