Question

A cardboard box is used to pack a telescope. study the diagram below Hight 30cm length 1500 mm width 28cm
1.1 convert the length of the box to cm ?
1.2 calculate the surface area in cm squared of the box in which they will pack the telescope you may use the formula A=2(L×B)+2(b×h)+2(l×h)
1.3 the surface temperature of planet mars is -67 convert it to degrees you may use the formula C =(F-32)÷1,8 ​

Answer 1

Answer:

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Answer 2

Answer:

Let length(l)=5x

Breadth (b)=4x

Height (h)=2x

Total surface Area= 2( lb+bh+hl)

2( 5x*4x+4x*2x+2x*5x)= 1216

2(20x+8x+10x)=1216

2(38x)=1216

38x=1216/2=608

x=608/38=16

So, length= 5x=5*16=80

Breadth=4x=4*16=64

Height=2x=2*16=32