emilycadwell12
emilycadwell12
21-01-2020
Mathematics
contestada
15 points-I need help ASAP please
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tessvic
tessvic
21-01-2020
9= 21°
10= 70°
11= 64°
12= 31°
All angles in a triangle must add to 180°. Angle of a straight line is 180°. Use these rules to assist working other questions out
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Can someone help me with this please?
Please help with 18 19 and 20
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