Question

A 3 cm by 3 cm by 3 cm cube is painted red on all sides. The cube is then broken into 27 smaller cubes of volume 1 cubic cm.

What is the total unpainted area on all 27 smaller cubes combined, in square cm?

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Answer 1

Answer:

Solar light, solar water heating system and solar cooker all work on the energy of the sun. The light operates on electricity from batteries, charged through the use of the solar photovoltaic panel. ... Solar cookers work in the same way as the heat generated by the sun's energy can cook up the food.