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Sk29 Sk29
  • 15-01-2017
  • Mathematics
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Answer the question no.10

Answer the question no.10 class=

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MeganLouise
MeganLouise MeganLouise
  • 15-01-2017

If AB=AC then It is an isocoles triangle. Because of this, Angle ABC=ACB, meaning they are both 60°. This means that Angle BAC is also 60°. Becasue of circle theorms, the angle BOC=2BAC so angle BOC=120°

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