Question

A length of a Cuboid is 1 more than twise its breath the perimeter of the base is 20cm and total surface area is 122cm.Find the dimensions of the cuboid.

Answer 1

Answer:

Step-by-step explanation:

let the breadth be x

the length will be 2x+1

atq

2(l+b)=20

l+b=10

3x+1=10

x=3

the length=7

122=2(21+3h+7h)

61=21+10h

40=10h

h=4

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