Can someone help me with surface area and volume of cuboids?
1. Find the surface area and the volume of each of the cubes with the following edge length.
a. 3cm
b. 6cm
c. 12cm
2. Calculate the total surface area of the inside and outside of this wooden box, including the lid (ignore the thickness of the wood).
The height: 10cm
The width: 4cm
The length: 6cm
One lid is open. So, do you understand what I mean?
Please help me out and if you show your working out, it would be better. Please, thanks a lot. =D
Favorite Answer
b sa= 216 a= 216
c= 864 a=1728
Same for each other for working
2. sa = same for inside and outside of box
2 sides = 10*4 *2
2 other sides 10*6*2
2 remaining sides = 4*6*2
total = 80 + 120 + 48 = 248
remeber to include cm squared for all answers. volume is cm cubed
1.a) surface area (s a): 3cm x 3cm = 9cm squared
volume (v): 3cm x 3cm x 3cm = 27cm cubic
b) s a: 6cm x 6cm = 36cm squared
v: 6cm x 6cm x 6cm = 216cm cubic
c) s a: 12cm x 12cm = 144cm squared
v: 12cm x 12cm x 12cm = 1728cm cubic
2. Total surface are inside: 10cm x 4cm x 6cm = 240cm cubic
outside =144cm sqaured
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