Trapezoid Upper L Upper M Upper N Upper O is shown. Line Upper L Upper N and line Upper O Upper M intersect at point Upper S in the center of the trapezoid.

Question

Figure 2.
Question
Use the diagram to answer the question.
Which of the following statements is true?
(1 point)
Responses

m∠LSO + m∠MSO = 180°
m ∠ LSO + m ∠ MSO = 180°

∠LSMcongruent ∠NSM
∠ LSM Image with alt text: congruent ∠ NSM

m∠LSM + m∠SML + m∠MLS = 360°
m ∠ LSM + m ∠ SML + m ∠ MLS = 360°

m∠NSO + m∠OSL + m∠LSM + m∠MSN = 360°

Answer 1

m ∠ NSO + m ∠ OSL + m ∠ LSM + m ∠ MSN = 360°