autumnnicholson1 autumnnicholson1

19-01-2018
Mathematics

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magicistotesrea magicistotesrea

19-01-2018

B is correct because all the angles of a triangle add up to 180 degrees. Subtract the total of the given angles from 180 degrees to get angle z. 45+60 = 105. 180-105 = 75. To get angle w, subtract angle z from 180 degrees because a straight line is a 180 degree angle. 180-75 = 105

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