Alona wants to prove that the base angles of any isosceles triangle are congruent. She draws ∆DEF, as shown, and then draws segment EG, the median of segment DF. Use the drop-down menus below to complete Alona’s proof that base angles of an isosceles triangles are congruent.

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?