[tex]By \: dividing \: it \: into \: 8 \: parts \: we \: can \: get \: 45° ( \frac{360° }{8} = 45° [/tex]
[tex]By \: dividing \: it \: into \: 4 \: parts \: we \: can \: get \: 90° ( \frac{360° }{4} = 90° [/tex]
[tex]By \: dividing \: it \: into \: 2 \: parts \: we \: can \: get \: 180° ( \frac{360° }{2} = 180° [/tex]
[tex]By \: adding \: 90° \: and \: 45° \: we \: can \: get \: 135° (90° + 45° = 135°)[/tex]
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