Which reference will you use?

• adj. <s on st. line.

• vert. opp. <s.

• alt. <s equal

Which reference will you use?

• vert. opp. <s.

• alt. <s equal

• <s at a point

• corr. <s equal

Which reference will you use?

• ext. < of triangle

• vert. opp. <s

• <s at a pt.

• int.<s equal

Which reference will you use?

• int. <s supp.

• corr. <s equal

• alt. <s equal

• int. <s equal

Which reference will you use?

• <s at a pt.

• corr. <s equal

• int. <s equal

• alt. <s equal

Which reference will you use?

• corr. <s equal

• alt. <s equal

• int. <s equal

• adj. <s on st. line

Which reference will you use?

• int. <s, AB // CD

• int. <s equal

• corr. <s, AB // CD

• corr. <s equal

Which reference will you use?

• alt. <s equal

• alt. <s, AB // CD

• corr. <s equal

• corr. <s, AB // CD

Which reference will you use?

• int. <s supp.

• int. <s equal

• int. <s

• int. <s, AB // CD

Find x.

• 72

• 44

• 28

• 108