I am unsure if I attachment is uploaded. Here are the geometry and material properties.
Left support : 0,0
Left knee : 50 ft, 30 ft
Ridge (hinge) : 100 ft, 40 ft
Right knee : 150 ft, 30 ft
Right support : 200 ft, 0
Cross-section of the arch member: 5.5" x 30.25"
E = 1800 ksi