Which property of equality justifies the statement if x - 2 = 9, then x = 11

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit