Mathematics, 08.12.2020 22:10 meababy2009ow9ewa

Fiona's school is in the shape of a triangle, with three hallways connecting the corners. Fiona enters the building and walks 90 yards through the first hallway to the first corner. Then, she walks 60 yards through the second hallway to the second corner. What are the possible lengths of the third hallway?

between 30 yards and 60 yards
between 30 yards and 90 yards
between 30 yards and 120 yards
between 30 yards and 150 yards

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Fiona's school is in the shape of a triangle, with three hallways connecting the corners. Fiona ente...