PLEASEEE HELP Here are some pictures of circular objects, with the measurement tool shown. The measurement tool on each picture reads as follows

wagon wheel 3 feet
plane propeller 24 inches
sliced orange 20 cm

1. for each picture, which measurement is shown? Circumference? Diameter? Radius?
2. based on this information, what measurements could you estimate for each picture? Circumference? Diameter? Radius?

for the wagon wheel, the measurement of the ___ is shown. I could estimate the ___
2. for the plane propeller, the measurement of the ___ is shown. I could estimate the ___

for the sliced orange, the ___ is shown. I could estimate the ___ (2 answers for #6 the orange)