Question

Assume that $\Delta$ABC is isosceles with $A\hat{B}C=A\hat{C}B={78}^o$. Let D and E be points on sides AB and AC respectively, so that BCD$={24}^o$ and $C\hat{B}E={51}^o$. Find $B\hat{E}D$ and justify your answer.

• A. ${10}^o$
• B. ${13}^o$
• C. ${12}^o$
• D. ${14}^o$

Answer 1

The correct option is C ${12}^o$