bmr12
28.06.2020 •
Mathematics
I don’t understand how these are the steps for the proof. Thank you
1. BD is the midsegement of ACE
2 angle c is congruent to angle c
3 CB=BA, CD=DE
4 CB+BA=CA, CD+DE=CE
5 2CB = CA, 2CD=CE
6 CB/CA = CB/ 2CB = 1/2
7 CD/CE= CD/2CD = 1/2
8 triangle BCD is similar to triangle ACE
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