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24.05.2020 •
Mathematics
What is the result when 9x^3-27x^2+26x-28 is divided by 3x-7
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Ответ:
Option A
Distance of each boat from light house is approximately 20 miles.
Solution:
The diagram of this question is attached below
In the attached figure A and B represents position of two boats and C represents position of light house.
Given that CA = CB and
So triangle ABC is isosceles triangle with angle
[Angle opposite to equal side CA and CB]
[Angle sum property of triangle]
Construct a median CE on AB,
AE = EB [ Since CE is median]
In triangle AEC,
Hence AC that is distance of each boat from light house is approximately 20 miles.