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Help me Line ℓ is perpendicular to line m. Find the value of x and w.
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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.-example-1
User Jamstooks
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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
User Igor Kvasha
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