AllamaLlama AllamaLlama
  • 04-03-2018
  • Mathematics
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How would you solve this?

How would you solve this class=

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caylus
caylus caylus
  • 04-03-2018
Hello,

I suppose as we don't see correctely the 2nd image, that it is the first one.

Angles DOY  and  DKY intersept then same arc are equals.

5x+15=3x+21
==>2x=6
==>x=3 and 5x+15=5*3+15=30°, 3x+21=3*3+21=30°
Angle OYK=15x=15*3=45°
Angle ODK=9x+18=9*3+18=45° =Angle OYK which intersept the same arc.

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