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asked Feb 1, 2023 165k views

23 votes

Please help with this question thank you

Mathematics
college

Ian Wise asked

by Ian Wise

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1 Answer

11 votes

Answer:

${ \tt{ (3x + 6)\degree + 41\degree + (6x - 5)\degree + (4x + 7)\degree + 62\degree + (7x - 11)\degree = 360\degree}} \\ { \tt\{external \: angle \: sum \}}$

» Solve:

${ \tt{(3x + 6x + 4x + 7x) + (41 + 6 - 5 + 7 + 62 - 11) = 360}} \\ { \tt{20x + 100 = 360}} \\ { \tt{20x = 260}} \\ { \tt{x = 13}}$

x is 13

SpacePyro answered Feb 5, 2023

by SpacePyro

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