D, E and F are respectively the mid-points of the sides BC, CA and AB of a ΔABC. Show that

(i) BDEF is a parallelogram.

(ii) ar (DEF) = ar (ABC)

(iii) ar (BDEF) = ar (ABC)

Question

D, E and F are respectively the mid-points of the sides BC, CA
and AB of a ΔABC Show that
(i) BDEF
is a parallelogram
(ii) ar
(DEF) = ar
(ABC)
(iii) ar
(BDEF) = 
ar (ABC)

Chirag Rajput · Answer

Your 2nd and third question are wrong but I am providing the answer
for 1st one
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5a7fad835b261%20png">

D, E and F are respectively the mid-points of the sides BC, CA and AB of a ΔABC. Show that (i) BDEF is a parallelogram. (ii) ar (DEF) = ar (ABC) (iii) ar (BDEF) = ar (ABC)

D, E and F are respectively the mid-points of the sides BC, CA and AB of a ΔABC. Show that

(i) BDEF is a parallelogram.

(ii) ar (DEF) = ar (ABC)

(iii) ar (BDEF) = ar (ABC)