Pierre's unicycle wheel has a diameter of 80 cm.
O
80 cm
a)
1
Tarks
b)
a) How far does the unicycle move if the
wheel turns once?
Give your answer in metres, correct
to 2 decimal places.
b) Pierre enters a 100 m unicycle race.
How many times must the wheel rotate
completely in order for Pierre to
travel 100 m?
Give your answer to the nearest
whole number.
+
m
1+ times