Question 1154920
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The solution by @MathLover1 is   W R O N G.


You can not use it.    Do not use it.    For your safety,  ignore it.


Use the solution by Jim, instead. 


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@Mathlover   {{{highlight(_M_I_S_T_A_K_E_N_L_Y_))}}}  assumes that the point  E  is the middle of  AD,  but it is not so.


Next,  she   {{{highlight(_M_I_S_T_A_K_E_N_L_Y_))}}}  assumes that the point  E  is the middle of  BC,  but it is not so,  too.


Wrong assumptions lead her to wrong solution and to wrong answer.



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Dear tutor @MathLover1,


don't you think that it is just time for you to take a break at this forum ?