in the given figure ABCD is a trapezium in which ab parallel to dc. prove that: area of ∆acd =area of ∆bcd and area of ∆aod = area of ∆boc​

You are in the Spanish section, not mathematics

when you are going to explain a procedure,   the first thing to do is to name the parts or the apparatus you are going to describe in terms of how it or they function. also it is important to know who is going to operate it and the abilities this man/woman requires to manage it.

beatriz just sent me an electronic message with a picture of my granddaughter.

what do i do to see the photo?

do i click here to open it?