Answer:
m∠1 = 25°
Step-by-step explanation:
Sum of Angles in a triangle: 180°
Degree of measure of a line: 180°
Step 1: Find missing angle ∠2
m∠2 + 104 = 180
m∠2 = 76°
Step 2: Find missing angle ∠1
m∠1 + m∠2 + 79 = 180
m∠1 + 76 + 79 = 180
m∠1 + 155 = 180
m∠1 = 25°
