If the dimensions of a rectangular floor are (2x-5) and(3x+2) and the perimeter is 54m,find the area of the floor.
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periment= 54
2(2x-5+3x+2)= 54
2(5x-3)= 54
5x-3=27
5x=30
x=6
so area is = l*b
2x-3= 9
3x+2= 20
area = 20*9
= 180 unit²
2(2x-5+3x+2)= 54
2(5x-3)= 54
5x-3=27
5x=30
x=6
so area is = l*b
2x-3= 9
3x+2= 20
area = 20*9
= 180 unit²
aniketkabaddi01:
i hope it will help u
no you are wrong the answer is 140m²
i think answer sheet is wrong because my answer is same as you
may be!
no... answer sheet is right
here is my mistake in putting value
its 2x-5= 2*6-5
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