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
⇒DC=30
DC+ CM=DM
30+CM=45
⇒CM=15
the second option
Step-by-step explanation:
Line CD is parallel to line AB, shown by the arrows in the middle of both of the lines.
100
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To find the length of the side of a square when the area is known, find the square root of the area:
Side length = √729
Side Length = 27 feet.