plz solve the sum it's very urgent
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triangle adc=180°} angle sum property
triangle abc=180°} angle sum property
adding together
adc+abc=180+180
ac}common
therefore
abcd=180+180
=360°
hence verified
triangle abc=180°} angle sum property
adding together
adc+abc=180+180
ac}common
therefore
abcd=180+180
=360°
hence verified
tisrisu:
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