Question

19. A polygon has 30 sides and 12 faces. Find
the number of vertices of the polygan.
(A) 20
(B) 24
(C) 12
(D) 15​

Answer 1

★ǫᴜᴇsᴛɪᴏɴ:-

• A polygon has 30 sides and 12 faces. Find
• the number of vertices of the polygan.

★sᴏʟᴜᴛɪᴏɴ:-

• F + V - E = 2
• fαcєs = 12
• єdgєs = 30
• vєrtícєs = ?

➽12 + V - 30 = 2

➽ V -18 =2

➽V = 18 +2= 20

★ᴀɴsᴡᴇʀ:-

• hєncє,thє αnswєr ís 20.

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Answer 2

Answer:

Correct option is 20...