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secondary 4 | A Maths
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Is it just me or is this question impossible?
Date Posted: 5 years ago
Views: 337
The two triangles are similar. Furthermore, △ODC is a right angled isoceles △. So each base angle is 45°.
Clue : You need to use similar triangles and some conversion to show that OC = 8 cos θ. Then you will be able to find that BC = cos θ. The rest should be easy.
Clue : You need to use similar triangles and some conversion to show that OC = 8 cos θ. Then you will be able to find that BC = cos θ. The rest should be easy.
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