Question

Pls help i need it!!!!

Answer 1

65°

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°