ashlyo
18.11.2019 •
Mathematics
In def, c is the centroid if dm=45 , find dc and cm
dc= ? units
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Ответ:
DC=30
CM=15
Step-by-step explanation:
Given
Triangle DEF with C centroid
DM=45 (length of median)
centroid divides median in the ratio 2:1(larger side at vertex)
⇒
DC
⇒DC=30
DC+ CM=DM
30+CM=45
⇒CM=15
Ответ:
The answer is D
Step-by-step explanation:
-2/3 and 1/4