monkeyklugh
monkeyklugh
21-10-2017
Mathematics
contestada
Find the value of angle c?? Please help
Respuesta :
badogbone
badogbone
21-10-2017
180 = (2x+10) + (3x + 20)
180 = 5x + 30
Subtract 30 from both sides
150 = 5x
Divide both equations by 5
30 = x
Now since a and c are vertical angles a = c
So plug in 30 for x
2(30) + 10 = c
60 + 10 = c
70 = c
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