Question: The figure below shows an initial plan for a triangular flower bed that Mary and Tom plan to build along a fence. They are discussing

The figure below shows an initial plan for a triangular flower bed that Mary and Tom plan to build along a fence. They are discussing what the measure of ∠1 should be.

Mary's conclusion: Use the Triangle Sum Theorem. 50 +100 +MLI = 180

Did Mary and Tom both reason correctly? If not, who made a mistake and what mistake was made? If they did both reason correctly, what can you conclude about their initial plan? Explain.

Mary's conclusion: Use the Triangle Sum Theorem. 50 +100 +MLI = 180 MLI = 30 145 I I Tr 1 yard fence 100 50% Tom's conclusion: Use the definition of a linear pair. 145 + m1 = 180 m1 = 35

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