The surface area of a cuboid is 1300cm .If it's breadth is 10cm and height is 20cm ,find it's length
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Breadth of cuboid =10cm
Height of cuboid =20cm
Length of cuboid =L cm
A/Q
2(Lb+Lh+bh)=1300cm
2(L*10+L*20+20*10)=1300cm
10L+20L+200=650 cm
30L=650cm-200cm
30L=450cm
L=450/30
L=15cm
the length of cuboid is 15cm
Height of cuboid =20cm
Length of cuboid =L cm
A/Q
2(Lb+Lh+bh)=1300cm
2(L*10+L*20+20*10)=1300cm
10L+20L+200=650 cm
30L=650cm-200cm
30L=450cm
L=450/30
L=15cm
the length of cuboid is 15cm
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