acacia137784 acacia137784

12-11-2020
Mathematics

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Line ℓ is perpendicular to line m. Find the value of x and w.

Help me Line ℓ is perpendicular to line m Find the value of x and w class=

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12-11-2020

138° + w° = 180° (sum of angle on a straight line)
w° = 180° - 138°
w = 42

19° + x° + w° = 90°
sub. in w=42,
19° + x° + 42° = 90°
x° = 90° - 19° - 42°
x° = 29°
x = 29

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Fansofwar2 Fansofwar2

09-03-2021

Answer: x=29 and w=42

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