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What is the value of X?

What is the relationship between the marked angles?:

Linear pair
Exterior angle of a triangle
Corresponding angles
Vertical angles
Alternate interior angles


What Is The Value Of X What Is The Relationship Between The Marked Angles Linear Pair Exterior Angle Of A Triangle Corresponding Angles Vertical Angles Alternat class=

Sagot :

Answer:

Vertical Angles

x = 21

Step-by-step explanation:

Vertical Angles

4x + 3 = 87

4x = 84

x = 21