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Solve for x. Please look at the picture and answer it. Thank you.
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Solve for x. Please look at the picture and answer it. Thank you.

Solve for x. Please look at the picture and answer it. Thank you.-example-1
User Farshid
by
3.8k points

1 Answer

1 vote

Answer:

ans = 9 degree

Explanation:

81 + (4x) + (5x+18) = 180 (The sum of all angles of triangle is 180 degree)

81 + 4x + 5x + 18 = 180

99 + 9x = 180

9x = 180 - 99

9x = 81

x =
(81)/(9)

x = 9 degree

User Hex C
by
4.4k points
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