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xeze [42]
3 years ago
8

In DEF, C is the centroid if DM=45 , find DC and CM DC= ? Units

Mathematics
1 answer:
IgorC [24]3 years ago
7 0

Answer:

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=\frac{2}{3} \times DM=\frac{2}{3} \times 45= 2\times 15=30

⇒DC=30

DC+ CM=DM

30+CM=45

⇒CM=15

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