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In the diagram, lines AB and CD intersect at E. If m

In the diagram, lines AB and CD intersect at E. If m-example-1
User Pklimczu
by
4.6k points

1 Answer

6 votes
Answer:

80 degrees

Step-by-step explanation:

From the diagram:

mm

vertically opposite angles are equal

Therefore:

m4x - 40 = x + 50

4x - x = 50 + 40

3x = 90

x = 90/3

x = 30

Substitute x = 30 into m

mmm= 80 degrees

User Ben Rhouma Zied
by
4.0k points