Question

the total surface area of cubiod of length 6 m and breadth 5m is 126 square.m . find its height.

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Answer 1

Answer:

T.S.A=2(lb+bh+hl)

126=2(5×6 +5×h +6×h )

126=2(30+5h+6h)

126=60+10h+12h

126-60=22h

66=22h

h=66/22

h=3m

Answer 2

Answer:

height =3m

Step-by-step explanation:

1. let the height be =X T.S.A of cubiod=2( lb+bh+lh ) =126 =>2(6×5+5×X+6×X)=126 =>60+10X+12X=126 =>22X=126-60 =>22X=66 =>X=66/22 =>X=3 plz mark as brainlist