We know that
if P is the centroid of triangle ABC
so
PD=(1/3)*BD
BD=3*PD-----> BD=3*3-----> BD=9 units
the answer is
BD=9 units
Answer:
The sum of 8 and 1 is 9.
lol
Step-by-step explanation:
Answer: B 386
Step-by-step explanation:
(7*15)*2 + (7*4)*2 + (15*4)*2
= 210+120+56
= 386
Answer: 9.70%
Step-by-step explanation:
The formula to find the percentage error is given by :-

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g
Estimated mass of zinc oxide used by pharmacist =31.1 g
Now, 
i.e. 
i.e. 
Hence, the percentage of error on the basis of the desired quantity.= 9.70%