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elena-14-01-66 [18.8K]
3 years ago
13

If point C is the centroid of triangle RST and SD = 21, find SC. show your work.​​

Mathematics
2 answers:
blagie [28]3 years ago
4 0

Answer:

SC = 14 units

Explanation:

Centroid of a triangle refers to the point where it's 3 median intersect. It's the centre point of the triangle.

the point of intersection divides all three median into two parts. the parts are in ratio 2 : 1. The part of the median starting from the vertex to the midpoint is 2/3rd of the median.

SD = 21

SC = 2/3 of 21

= 2/3 × 21

= 14

Dahasolnce [82]3 years ago
3 0

Answer:

  • SC = 14

Step-by-step explanation:

Point C is the centroid.

Property of centroid: the medians are divided in 2:1 ratio from the vertices.

  • SD = 21
  • SC = 2/3*21 = 14

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