given that AOB and COD are straight lines, find the value of '5g°+18°' in the above figure☝
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Answer:
7ff+5=2f+35
7f-2f=35-5
5f=30
f=30/5
f=6
7f+5=7×6+5=47
cod is a straight line, sum of theangles on the straight line is 180°
47+5g+18=180°
65+5g=180°
5g=180-65
5g=115
g=115/5
g=23
5g+18=5×23+18=133
check:
47+133=180°
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