How to Prove that AOB is a straight.
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0
Answer:
x + y = 180° (linear pair.) x + y + w + z = 360° (Angles around a point.) Hence, x + y makes a linear pair. Therefore, AOB is a straight line.
Answered by
3
Answer:
x + ʏ = 180° (ʟɪɴᴇᴀʀ ᴘᴀɪʀ.)
x + ʏ + ᴡ + ᴢ = 360°(ᴀɴɢʟᴇꜱ ᴀʀᴏᴜɴᴅ ᴀ ᴘᴏɪɴᴛ.)
ʜᴇɴᴄᴇ, x + ʏ ᴍᴀᴋᴇꜱ ᴀ ʟɪɴᴇᴀʀ ᴘᴀɪʀ.
ᴛʜᴇʀᴇꜰᴏʀᴇ, ᴀᴏʙ ɪꜱ ᴀ ꜱᴛʀᴀɪɢʜᴛ ʟɪɴᴇ
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