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Ipatiy [6.2K]
3 years ago
14

X=The measure of the exterior angle of the triangle is:​

Mathematics
2 answers:
Mrac [35]3 years ago
6 0

Step-by-step explanation:

We know that

\sf \hookrightarrow \:  \boxed{ \sf \: sum \: of \: two \: interior \: angles  = exterior \: angle} \\  \sf \hookrightarrow \: 50 + x = 3x - 54 \\  \sf \hookrightarrow \: x - 3x =  - 54 - 50 \\  \sf \hookrightarrow \:  - 2x =  - 104 \\  \sf \hookrightarrow \: 2x  = 104 \\  \sf \hookrightarrow \: x =  \frac{104}{2}   \\ \sf \hookrightarrow \:  x = 52

aniked [119]3 years ago
6 0

Answer:

x= 52

exterior =102

Step-by-step explanation:

50+x=3x-54

50+54=3x-×

104=2x

52=x

3(52)-54

156-54=102

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