Solve 3x^2 + 4x - 12 = 0
1 answer:
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Answer:
Step-by-step explanation:
<em><u>All you need to do is distribute the </u></em><em><u> to (</u></em>
<em><u>), like so:</u></em>
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(i) The bearing of B from A and angle x are supplementary, then:
(ii)
From the above diagram, the bearing angle of A from B is:
(iii)
From the above diagram, the bearing angle of C from B is:
(iv)
Applying the law of cosines with the sides AB = 145m and CB = 240 m, and the angle ABC = 68°, the distance AC is:
