Question

part c
the artist will be tiling the sculpture with mosaic squares that are 2 centimeters long on each edge.
how can she calculate how many tiles to buy? write a strategy to explain how to find the number of tiles.

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question
part d
at least how many mosaic squares does the artist need to cover the sculpture?

Explanation:

Step1: Find surface area

Calculate total surface area of the pyramid.

Step2: Find tile area

Area of one tile is $2\times2 = 4$ $cm^{2}$.

Step3: Divide areas

Divide pyramid's surface area by tile area to get number of tiles.

Answer:

Divide pyramid's surface - area by tile area.