A student wants to prove that the base angles of an isosceles triangle are congruent. The student draws isosceles triangle ABC with base angles B and C, as shown below. B
M
с
Point M is drawn as the midpoint of BC.
Which of the following could be used as part of the proof that 82C? Select three that apply.
BAC because of the definition of an isosceles langile
Bach because of the definition of a midpoint
ZAD because of the Symmetric Property
BC because corresponding parts of congruent langes are congruent
BU AACM because of the SAS triangle congruence criterion