201119233
201119233
23-03-2021
Mathematics
contestada
Find the measure of the exterior angle.
Respuesta :
faisal4craft7
faisal4craft7
23-03-2021
44 + a + 10 = 2a
54 + a = 2a
54 = 2a - a
54 = a
so the triangle has these angels
44°
a + 10 = 54 + 10 = 64°
180 - 44 - 64 = 72°
and the 2a is
2(54) = 108°
to be sure
108 = 64 + 44
108 = 108
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