the Length breadth and the height of a rectangular solid are in the ratio 5 is to 4 is to 2 if the total surface area is 1216 centimetres square find the Length breadth and the height of the solid
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Hey user...
Let the angle be 5x,4x nd 2x.
TSA=2(lb +bh +hl)=1216
2(20x²+8x²+10x²)=1216
76x²=1216
x²=1216/76
x²=16
x=4cm.
Dimensions are 20cm,16cm nd 8cm.
Volume=lbh
=>20*16*8
=2560cm².
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Hope this will help u
:-)
Let the angle be 5x,4x nd 2x.
TSA=2(lb +bh +hl)=1216
2(20x²+8x²+10x²)=1216
76x²=1216
x²=1216/76
x²=16
x=4cm.
Dimensions are 20cm,16cm nd 8cm.
Volume=lbh
=>20*16*8
=2560cm².
@@@@@@@@@@@@@
Hope this will help u
:-)
Answered by
2
I think it will help u definitely
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