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3x - 16 + x = 180°
- sᴜᴍ ᴏғ ᴀɴɢʟᴇs ᴏɴ ᴀ sᴛʀᴀɪɢʜᴛ ʟɪɴᴇ ɪs ᴀʟᴡᴀʏs ᴇϙᴜᴀʟ ᴛᴏ 180° .
4x = 196°
x = 49° .
Answered by
2
x=41°
hope it is helpful
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