briana35
briana35
20-04-2017
Mathematics
contestada
How do you solve this problem?
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Shailza
Shailza
20-04-2017
3x+14 + 7x+4=118
(As, sum of opposite interior angles of a triangle= exterior angle)
∴ 10x +18= 118
10x= 118-18
10x= 100
x=10
∴ angle F=7x+4
=7*10+4
=70+4
=74
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