1/12+1/12+1/12+1/12+1/12+1/12+1/12+1/12+1/12=9/12
Scale of the model = 3.5 / 10.5 = 1/3
so the length of the model = 1/3 * 12 = 5 feet
Area of the scale model = 4 * 3.5 = 14 sq ft
Hello Idk the answer I am really sorryy
Since a triangle's angles must all together measure 180 degrees, subtract the two angles from 180: 180 - 71 - 63 = 46
