If the dbh is 25cm. What will be the basal area in square meter (sq m)?
N
A) 0.049 sq m
B)0.096 sq m
C)0.089 sq m
D)none
Answers
Given : dbh is 25cm.
To Find : basal area in square meter
A) 0.049 sq m
B) 0.096 sq m
C) 0.089 sq m
D) none
Solution:
DBH = Diameter at breast height of Tree
DBH is a standard method of expressing the diameter of the trunk of a Tree
Diameter = 25 cm
Radius = 25/2 cm
100 cm = 1 m
=> Radius = 25/200 m
=> Radius = 0.125 m
basal Area = πr²
= (3.14) ( 0.125) ²
= 0.04906
= 0.049 m²
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ANSWER ⤵️
DBH = Diameter at breast height of Tree
DBH is a standard method of expressing the diameter of the trunk of a Tree
Diameter = 25 cm
Radius = 25/2 cm
100 cm = 1 m
=> Radius = 25/200 m
=> Radius = 0.125 m
basal Area = πr²
= (3.14) ( 0.125) ²
= 0.04906
= 0.049 m²