Line s ‖ segment RP. m∠1 + m∠2 + m∠3 = ° http://static.k12.com/calms_media/media/1560500_1561000/1560885/1/ce25e417281015c70891595b9bc77c62486677e3/MS_IMC-1401112-109062.jpg
@iGreen
What do you think? They all line up to a straight line..
180
et me guess 180*
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Yep, that's correct.
A completely straight line measures 180 degrees.
sorry i just some times i read the question to fast and don't understand i so i just need to read the question slow and see if i get it.
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