factorise: 20x²-9x+1
find the area of rhombus whose one side is 20m and one diagonal is 24m
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20xsq-5x-4x+1
5x(4x-1) -1(4x-1)
(5x-1),(4x-1)
area=1/2p √4a sq-p sq
area= 1/2×24√4×20×20 - 24×24
=12×√1600-576
=12×√1024
=12×32
=384 m sq.
5x(4x-1) -1(4x-1)
(5x-1),(4x-1)
area=1/2p √4a sq-p sq
area= 1/2×24√4×20×20 - 24×24
=12×√1600-576
=12×√1024
=12×32
=384 m sq.
addy10022002nawadi:
ek aur hai heron formula ka vo bhee to tha
done :)
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