500+500+500+1,000+4,000+10,000
2 answers:
You might be interested in
Answer:
Option D. 18 cm
Step-by-step explanation:
we know that
A <u><em>centroid</em></u> of a triangle is the point where the three medians of the triangle meet.
A median of a triangle is a line segment from one vertex to the mid point on the opposite side of the triangle.
The centroid divides each median in a ratio of 2:1
In this problem the centroid of triangle RST is the point X
so
-----> equation A
-----> equation B
substitute equation A in equation B
Solve for XW
Find the value of RX
-----