the Length breadth and height of a rectangular solid are in the ratio of 5:4:2 if the total surface area is 1216 CM square find the Length breadth and height of the solid
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Answered by
8
5*4+4*2+2*5
20+8+10
38
38=1216
1216/38
3.78
L=23.90
B= 15.21
H=7.65
20+8+10
38
38=1216
1216/38
3.78
L=23.90
B= 15.21
H=7.65
Answered by
17
Hiiiii,
the ratio=5:4:2
the total surface area of cuboid=2(lb+bh+lh)
1216=2(20x+8x+10x)
1216=76x
x=1216/76=16cm
Iength=5×16=80cm
bredth=4×16=64cm
Height =2×16=32cm
plz mark as brainaist...........
the ratio=5:4:2
the total surface area of cuboid=2(lb+bh+lh)
1216=2(20x+8x+10x)
1216=76x
x=1216/76=16cm
Iength=5×16=80cm
bredth=4×16=64cm
Height =2×16=32cm
plz mark as brainaist...........
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