Question

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Answer 1

traingle ABC=traingle ACD=traingle CDE

than area of trapezium is 12+12+12=36sq. unit

Answer 2

Answer:

Given:

ABCD is a parallelogram

ar(ABC)= 12cm

According to question,

Ar(ABC) = Ar(ACD). ....... diagonal bisect a parallelogram into two equal parts

So ar(ABCD)= 12+12

===========24

Similarly

ar(DCE)=12cm

so, the ar of trapezium will be

24 + 12

=36