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Question
How many edges does a triangular prism have ?
How many edges does a triangular prism have ?
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Solution
The correct option is D 9
A triangular prism has 5 faces and 6 vertices. From Euler's Formula we can calculate the number of edges as :
V−E+F=2
⇒E=V+F−2
⇒E=6+5+−2
⇒E=9
A triangular prism has 5 faces and 6 vertices. From Euler's Formula we can calculate the number of edges as :
V−E+F=2
⇒E=V+F−2
⇒E=6+5+−2
⇒E=9
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