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marusya05 [52]
3 years ago
11

Pls help i need it!!!!

Mathematics
1 answer:
Veronika [31]3 years ago
7 0

Answer:

65°

Step-by-step explanation:

Angles in a triangle add up to 180° thus

45+(x+77)+(x+72)=180

45+77+72+x+x=180

194+2x=180

2x=180-194

2x=-14

x= -7

Angle A= x+72

= -7+72

=65°

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