E and F are respectively the midpoints of the nonparallel sides AD and BC of a trapezium
Channel: Doubtnut
Date: 2020-01-03

E and F are respectively the midpoints of the nonparallel sides AD and BC of a trapezium ABCD. Prove that (i) EF||AB, ` \" (ii) \" EF=(1)/(2) (AB+CD).`