genesis8287
genesis8287
18-09-2020
Mathematics
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Need help with this problem
Respuesta :
mhanifa
mhanifa
18-09-2020
Answer:
39°
Step-by-step explanation:
Internal angles of the triangle are:
x, 60° and (180° -99°)
Angle x is:
x = 180° - (60° + 81°)
x = 180° - 141°
x = 39°
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