Question

What is m∠1 if m∠4=25° ?

(1 point)
__°

Answer 1

Since the angles formed by a straight line add up to 180 degrees, we can conclude that m∠1 + m∠4 = 180 degrees.

Substituting in m∠4 = 25 degrees, we can solve for m∠1:

m∠1 + 25° = 180°

Subtracting 25° from both sides:

m∠1 = 180° - 25°

m∠1 = 155°

Therefore, m∠1 is 155 degrees.