Statement
Reason
1. EFGH is a parallelogram
1. Given
2. EF | GH and HE FG
2.
3. ZEFH ZGHF and
ZEHF ZGFH
3
3.
4. FG FG
5. AEFH AGHF
S.
6. EF
GH and HE - FG+ 6.