How many diagenals does a triangle haveq1
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Answer:
A triangle has no diagonals.
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ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴅɪᴀɢᴏɴᴀʟs ᴏғ ᴀɴ ɴ sɪᴅᴇᴅ ᴘᴏʟʏɢᴏɴ ɪs ɢɪᴠᴇɴ ʙʏ ᴅ
ɴ
= 2 ɴ(ɴ−3)
.
ᴀ ᴛʀɪᴀɴɢʟᴇ ʜᴀs 3 sɪᴅᴇs. sᴏ, ɴ=3.
∴ᴅ
3 = 2/3(3−3) =0❤
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