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secondary 4 | A Maths
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Tarah toh
Tarah Toh

secondary 4 chevron_right A Maths chevron_right Singapore

Please help as soon as possible

Date Posted: 4 years ago
Views: 213

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Eileen Peh
Eileen Peh's answer
26 answers (Tutor Details)
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Hope this helps!
Eric Nicholas K
Eric Nicholas K
4 years ago
Not correct, or at least incomplete. There are two more angles:

2x = basic, 180 + basic, basic + 360, 180 + basic + 360

You missed out two of them.

So, 2x = 45, 225, 405, 585
x = 22.5, 112.5, 202.5, 292.5

The range given (find all angles between...) is for x, not for 2x.