Respuesta :

tunchxz

Answer:

3. When to angles in a plane share a vertex and a side but no common interior points, they are called Adjacent angles.

4. When two lines intersect, they form two pairs of "opposite" angles called congruent angles.

sqdancefan

Answer:

  3. adjacent

  4. vertical

Step-by-step explanation:

3. Angles that share a vertex and one side are "adjacent" angles. They may or may not form a linear pair.

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4. Angles that share a vertex and have opposite rays for sides are "vertical" angles. (Vertical angles are congruent.)

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