if the perimeter of one face of cube is 20cm then its surface area is
k4kunal09pe7o1t:
25 cm^2 area of one surface
it will not be right na!
Answers
Answered by
4
FACE OF CUBE IS SQUARE SHAPED. .....
PERIMETER OF SQUARE
PERIMETER= 4*SIDE
20= 4*SIDE
SO SIDE = 20/4
= 5
WE TOLD TO FIND ITS SURFACE AREA.....
NOW SURFACE AREA OF CUBE
= 6* SIDE*SIDE
=6*5*5
=6*25
=150
SO THE SURFACE AREA OF GIVEN CUBE IS 150SQCM
I HOPE IT WILL HELP YOU......
PLZ MARK AS BRAINLIEST......☺
PERIMETER OF SQUARE
PERIMETER= 4*SIDE
20= 4*SIDE
SO SIDE = 20/4
= 5
WE TOLD TO FIND ITS SURFACE AREA.....
NOW SURFACE AREA OF CUBE
= 6* SIDE*SIDE
=6*5*5
=6*25
=150
SO THE SURFACE AREA OF GIVEN CUBE IS 150SQCM
I HOPE IT WILL HELP YOU......
PLZ MARK AS BRAINLIEST......☺
i think something wrong
25 cm^2 area of one surface
no its right......
ok
ohh sorry
i did not read completely.my fault
extremely sorry
its absolutely .okkk........ don't say sorry .....atleast u have tried....
Answered by
2
given,
the p of one face of cube =20 cm
hence , side = 5 cm
now surface area
=6×side × side
= 6×5 ×5
=150 cm^2
the p of one face of cube =20 cm
hence , side = 5 cm
now surface area
=6×side × side
= 6×5 ×5
=150 cm^2
you have calculated the area of only one face of cube but the asked area is of whole cube that's why this ans is wrong......but u have tried ......and its very big thing ....☺
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