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Friends you are not supposed to chat here...plzzz chat in inbox ;)

it's right dear's

plzz help me wid this qstn

yah ! sure

plz mark my answer as th ebest plzz

Log in to add a comment

and diagonals intersect at o

in a square diagonals bisect each other

soo it dives into 4 congruent triangles

requried :

ar( abcd ) : ar ( aob ) = ???

solution :

1 triangle is 1/ 4 of square soo

ratio of that is 1 : 4

ar ( aob ) = 1

ar ( abcd ) = 4

soo 1 : 4

hope this helped u . plzz mark my answer as the best one plzzz

means its diagonals bisect each other and diagonal cut it into tris of equal area

so

ar abcd=ar abc + ar acd

ar abcd=2 ar abd

ar abd = ar aob+ ar boc

also ar aob = ar boc as bo is median

ar abcd =2*2 ar aob

ar abcd = 4 ar aob

ar abcd:ar aob

1:4