Finding the size of an obtuse angle

1,312

Hint. $\frac{1}{2}\angle B+ \frac{1}{2}\angle C=\frac{1}{2}(180-68)$.

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1,312

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Samuel Olumoyeke
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Samuel Olumoyeke

Updated on December 08, 2020

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  • Samuel Olumoyeke
    Samuel Olumoyeke almost 3 years

    triangle ABC

    In the diagram, $|BX|$ is the bisector of angle $ABC$ and $|CX|$ is the bisector of angle $ACB$, if angle $A=68$. Find the size of the obtuse angle $BXC$.

    • Arthur
      Arthur almost 7 years
      Do you know what the sum of all angles in a triangle is?
  • Samuel Olumoyeke
    Samuel Olumoyeke almost 7 years
    Thanks so much... that helps... angle BXC = 124 using the hint.
  • Robert Z
    Robert Z almost 7 years
    @Samuel Olumoyeke Well done!