Angle Relationships - Geometry - Amanda Wilson | Biblioteka

2

Find x.

2

Use the image to answer questions 3 and 4.

2

2

2

5

Stavka koja se može prevući		Odgovarajuća stavka
\angle1\ and\ \angle2 are supplementary, \angle3\ and\ \angle4 are supplementary.		Given
m\angle1=m\angle4, m\angle2=m\angle3		Definition of a linear pair
\angle1\cong\angle4, \angle2\cong\angle3		It two angles for a linear pair, then they are supplementary.
m\Vert n; l is a transversal		Alternate Interior Angles Theorem
\angle1\ and\ \angle3 are supplementary, \angle2\ and\ \angle4 are supplementary		Definition of congruence
\angle1\ and \ \angle3 form a linear pair; \angle2\ and \ \angle4 form a linear pair.		Substitution