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Question
secondary 3 | A Maths
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Help me please
Date Posted: 4 years ago
Views: 386
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done
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Lalala
Date Posted:
4 years ago
done
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Hi, hope this helps!
Date Posted:
4 years ago
But the question did not mention that it is a right-angled triangle, is it ok to assume that? Because it might be oblique
It is not meant to be done this way. In fact i suspect the triangle is not right angled. Part i is done by half bc sin A. Part ii is done by cosine rule. Will post solution if i have time
Edit: Lmao what was i thinking, the question alr said A is 60 degrees, but ok yeah B and C could have been right angles
Edit: Lmao what was i thinking, the question alr said A is 60 degrees, but ok yeah B and C could have been right angles
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