3 years ago

In STR, H is the centroid, EH = 6,DH = 4, and SM = 24.

Mathematics

1 answer:

pochemuha3 years ago

8 0

Answer:

7. 16

8. 8

9. 8

10. 12

11. 12

12. 18

Step-by-step explanation:

The centroid cuts each median into parts in the ratio 2:1. This fact can be used to find the desired lengths.

7. SH = 2/3×SM = 2/3×24 = 16

8. HM = 1/3×SM = 1/3×24 = 8

9. TH = 2×DH = 2×4 = 8

10. HR = 2×EH = 2×6 = 12

11. TD = TH +DH = 8 +4 = 12

12. ER = EH +HR = 6 +12 = 18

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