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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-example-1

1 Answer

4 votes

Answer:

Vertical Angles

x = 21

Explanation:

Vertical Angles

4x + 3 = 87

4x = 84

x = 21

User Sander Bollen
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