Question

find the value of x of the following diagram

Answer 1

3x + x + 40° = 180° (Linear Pair)
4x = 180-40
4x = 140
x= 140/4
x= 35°.

Answer 2

3x+x+40°=180° [linear pair]

4x+40=180

4x=180-40

4x=140

x=140/4

x=35°

hope this helps!

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