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Answer:
sum of interior angle of a triangle is 180 degree
so,
3x +7 + 2x+7 +3x+6 = 180
8x + 20 = 180
8x = 180 - 20
8x = 160
x = 160/ 8
x = 20
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Rewritten by : Barada
Answer:
x = 20
Step-by-step explanation:
According to angle sum property of a triangle , sum of all the angles in a triangle is equal to 180°.
So,
[tex](3x + 7) + (2x + 7) + (3x + 6) = 180[/tex]
[tex] = > 8x + 20 = 180[/tex]
[tex] = > 8x = 180 - 20 = 160[/tex]
[tex] = > x = \frac{160}{8} = 20[/tex]
