We know the number of faces and vertices of the solid and we have to calculate the number of edges.We have : F = 16 and V = 14.The formula is:F - E + V = 216 - E + 14 = 216 + 14 - 2 = EE = 30 - 2E = 28Answer: The solid has 28 edges.
58 212 2800 900
/ \ / \ / \ / \
29 2 2 106 700 4 3 300
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2 53 70 10 2 2 3 100
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7 10 5 2 2 50
/ \ / \
5 2 5 10
/ \
5 2
The prime factors are in bold.