Bowling ball vs Pizza: size comparison
Bowling ball: 21.9 cm. Pizza: 33 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×1.5
Bowling ball
21.9 cm
What is measured Diameter of a regulation bowling ball
All balls share the same diameter: only the weight changes.
Source : Wikipedia — Bowling ball
Pizza
33 cm
What is measured Diameter of a large pizza
A 33 cm pizza has almost twice the area of a 23 cm one.
Source : Wikipedia — Pizza