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yawa3891 [41]
3 years ago
8

The expression below can be used to find the surface area of a cube when given the length of an edge, a.

Mathematics
2 answers:
umka21 [38]3 years ago
8 0

Answer:

<h2>1.5 cm²</h2>

Step-by-step explanation:

Substitute <em>a = 0.5 cm</em> to the formula <em>SA = 6a² </em>:

<em>SA = 6(0.5)² = 6(0.5 · 0.5) = 6(0.25) = 1.5 cm²</em>

laiz [17]3 years ago
4 0

a = edge length = 0.5 cm

S = surface area of cube

S = 6*a^2

S = 6*(0.5)^2

S = 6*0.25

S = 1.5

<h3>The surface area of the cube is 1.5 square cm</h3>

You can use cm^2 in place of "square cm" to mean the same thing.

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