Examples with solutions for Surface Area of a Cuboid: Identify the greater value

Exercise #1

Look at the two orthohedra below:

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Are the surface areas of the two orthohedra the same or different?

Video Solution

Answer

The same.

Exercise #2

There are two boxes containing a number of balls arranged one on top of the another.

The dimensions of the balls are: 1x1x1.

Assuming that you can see the bottom of the boxes, in which box can you see more balls from the outside?

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Video Solution

Answer

Box B

Exercise #3

A new device has been invented: hanging solar panels. The panels are shaped like cuboids so that they can receive sunlight from all directions.

An experiment is conducted and "sunlight" is projected onto the prototypes shown below from all directions.

Which of the two solar panel prototypes will absorb more of the suns energy?

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Video Solution

Answer

A

Exercise #4

A beekeeper has two box hives as shown below.

Each "cell" takes up 0.5 cm² and the entire hive is lined with them.

Which of the hives will have more more cells? How many will there be in it?

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Video Solution

Answer

B: 8x2+240x 8x^2+240x cells

Exercise #5

Are the surface areas of the two orthohedrons below the same or different?

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Video Solution

Answer

=