
Measure the circumference of each living tree in your yard at a height of 4.5 feet
(4 feet, 6 inches) above the ground level.
Calculating the circumference of a tree
CIRCUMFERENCE
2
RADIUS
if you know the CIRCUMFERENCE, you can calculate the RADIUS
RADIUS
CIRCUMFERENCE
(2
)
If you know the RADIUS, you can calculate the
DIAMETER
DIAMETER
2
RADIUS
3.14

Enter the number of trees within each size class.
