if one angle of triangle is 80degree and the other two angles are in the ratio 3:7
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ʟᴇᴛ ᴛʜᴇ ᴍᴇᴀsᴜʀᴇs ᴏғ ʀᴇᴍᴀɪɴɪɴɢ ᴛᴡᴏ ᴀɴɢʟᴇs ᴏғ ᴛʀɪᴀɴɢʟᴇs ʙᴇ 3xᵒ , 7xᵒ.
ᴛʜᴇɴ , ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴀɴɢʟᴇ sᴜᴍ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ᴛʀɪᴀɴɢʟᴇ ,
3xᵒ + 7xᵒ + 80ᵒ = 180ᵒ
➡️ 10xᵒ+ 80ᵒ = 180ᵒ
➡️ 10xᵒ = 180ᵒ - 80ᵒ
➡️ 10xᵒ = 100ᵒ
➡️ xᵒ = ( 100/10)ᵒ
➡️ xᵒ = 10ᵒ
10 × 3 = 30ᵒ
10 × 7 = 70ᵒ
ʜᴇɴᴄᴇ , ᴀɴɢʟᴇs ᴏғ ᴛʀɪᴀɴɢʟᴇs ᴀʀᴇ 10ᵒ , 30ᵒ, 70ᵒ.
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