Respuesta :

1. adjacent: ∠ACB and ∠BCD.
vertical: ∠ACB and ∠ECD

The two pairs of

Adjacent angles are ∠ACB, ∠BCD and ∠JGI, ∠IGH and

Vertical angles are ∠ACB , ∠ ECD and ∠ IGH , ∠KGL.

What is adjacent angle?

Adjacent angles are two angles that have a common vertex and a common side but do not overlap.

What is vertical angle?

Vertical angles are formed when two lines intersect each other, then the pair of opposite angles formed at the vertex.

For the given situation,

There are two diagrams from which we need to find two pairs of adjacent and vertical angle.

From the diagram 1,

The adjacent angles are ∠[tex]ACB[/tex], ∠[tex]BCD[/tex]

The vertical angles are ∠[tex]ACB[/tex], ∠[tex]ECD[/tex]

From the diagram 2,

The adjacent angles are ∠[tex]JGI[/tex], ∠[tex]IGH[/tex]

The vertical angles are ∠ [tex]IGH[/tex], ∠[tex]KGL[/tex]

Hence we can conclude that the two pairs of

Adjacent angles are ∠ACB, ∠BCD and ∠JGI, ∠IGH.

Vertical angles are ∠ACB , ∠ ECD and ∠ IGH , ∠KGL.

Learn more about adjacent and vertical angles here

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