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the diagram shows two parallel lines cut by a transversal. If the measure of < 3 = ( 7y + 15) and the measure of < 5 = ( 110 - 2y) , what is the measure of <4​

The Diagram Shows Two Parallel Lines Cut By A Transversal If The Measure Of Lt 3 7y 15 And The Measure Of Lt 5 110 2y What Is The Measure Of Lt4 class=

Sagot :

Step-by-step explanation:

Angle 3 + Angle 5 = 180° (C-angles)

Therefore 7y + 15 + 110 - 2y = 180, 5y = 55, y = 11.

Angle 4 = Angle 5 (Z-angles)

Hence Angle 4 = 110 - 2y = 110 - 2(11) = 88°.