oliviaeddy7
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~ HELP NEEDED!!!! 20 POINTS ~
Drag and drop an answer to each box to correctly complete the proof.
Given: m∥n, m∠1=50∘ , m∠2=48∘ , and line s bisects ∠ABC
Prove: m∠3=49∘

HELP NEEDED 20 POINTS Drag and drop an answer to each box to correctly complete the proof Given mn m150 m248 and line s bisects ABC Prove m349 class=
HELP NEEDED 20 POINTS Drag and drop an answer to each box to correctly complete the proof Given mn m150 m248 and line s bisects ABC Prove m349 class=

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joshua8316

Answer:

Here is a proof

 

Angle DEF  =  angle ABC              

A transversal cutting two parallel lines makes alternate exterior angles equal

 

Sum of  measures of angles 1 and 2  = 50° + 48°  =  98°   = measure of angle DEF  =  measure of angle ABC

 

But since  s bisects   angle ABC, then angle 4  =  98 / 2   = 49°

 

But angles 3 and 4  are vertical angles....therefore.... measure of angle 3  =  49°

Step-by-step explanation:

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