to write different properties of a triangle
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ᴩʀᴏᴩᴇʀᴛɪᴇꜱ ᴏꜰ ᴀ ᴛʀɪᴀɴɢʟᴇ
- ᴀ ᴛʀɪᴀɴɢʟᴇ ʜᴀꜱ ᴛʜʀᴇᴇ ꜱɪᴅᴇꜱ, ᴛʜʀᴇᴇ ᴠᴇʀᴛɪᴄᴇꜱ, ᴀɴᴅ ᴛʜʀᴇᴇ ᴀɴɢʟᴇꜱ.
- ᴛʜᴇ ꜱᴜᴍ ᴏꜰ ᴛʜᴇ ᴛʜʀᴇᴇ ɪɴᴛᴇʀɪᴏʀ ᴀɴɢʟᴇꜱ ᴏꜰ ᴀ ᴛʀɪᴀɴɢʟᴇɪꜱ ᴀʟᴡᴀyꜱ 180°.
- ᴛʜᴇ ꜱᴜᴍ ᴏꜰ ᴛʜᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴛᴡᴏ ꜱɪᴅᴇꜱ ᴏꜰ ᴀ ᴛʀɪᴀɴɢʟᴇɪꜱ ᴀʟᴡᴀyꜱ ɢʀᴇᴀᴛᴇʀ ᴛʜᴀɴ ᴛʜᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴛʜᴇ ᴛʜɪʀᴅ ꜱɪᴅᴇ.
- ᴀ ᴛʀɪᴀɴɢʟᴇ ᴡɪᴛʜ ᴠᴇʀᴛɪᴄᴇꜱ ᴩ, Q, ᴀɴᴅ ʀ ɪꜱ ᴅᴇɴᴏᴛᴇᴅ ᴀꜱ △ᴩQʀ.
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