kiahtab13
kiahtab13
22-06-2018
Mathematics
contestada
‼️‼️need help ASAP‼️
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musiclover10045
musiclover10045
22-06-2018
To find E, we need to find c first.
The 3 inside angles of a triangle need to equal 180 degrees.
So a + b + c = 180
a = 71, b = 60
Now we have 71 + 60 + c = 180
c = 180 - 71 - 60 = 49 degrees.
Angle C and E are supplementary angles which means they need to equal 180 degrees.
c + e = 180
49 + e = 180
e = 180 -49 =
131 degrees
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