Question

l is parallel to m.
find x.
please answer this as soon as possible.
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Answer 1

Answer:

X = 180 - ( 90 + 45) = 180 - 135 = 45°

Answer 2

Answer:

Given : L ll M and Angle ABC = 75° and Angle CDE = 45°

Find X°

Angle ABC = Angle ECF = 75°

Angle ECF + Angle ECD = 180° ( Linear Pair )

=> 75° + Angle ECD = 180°

=> Angle ECD = 180° - 75° = 105°

=> Angle ECD = 105°

In Traingle CDE,

105° + X + 45° = 180° ( Angle Sum Property)

=> X + 150° = 180°

X = 30°

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