mathien52
mathien52
17-01-2020
Mathematics
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I need an explanation
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lillyb13
lillyb13
17-01-2020
Angles on a straight line add up to 180° so you do 180 take away 115 which gives you Y angle and then angles in a triangle add up to 180 so you do 45 add 65 and you get 110 which then u take away from 180 to get 70 answer D
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