2 years ago

An octahedron and its net are shown below. All the faces are the same size and shape. What

Mathematics

1 answer:

Jobisdone [24]2 years ago

8 0

Answer:

499.2 cm²

Step-by-step explanation:

See attachment for the figure.

The area of a triangle is given by

A = 1/2bh

A = 1/2(12)(10.4)

A = 62.4 cm²

Then, take that area and multiply it by the number of faces. In this problem, there are 8.

62.4 × 8 = 499.2 cm²

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