Mel550m
Mel550m Mel550m
  • 13-01-2021
  • Mathematics
contestada

3. If D is the centroid of PQR, PA = 17 , BD = 9, and DQ = 14 , find each missing measure .

3 If D is the centroid of PQR PA 17 BD 9 and DQ 14 find each missing measure class=

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SvetlanaM
SvetlanaM SvetlanaM
  • 13-01-2021

Answer:  a) AR =  17

               b) PR  = 34

               c) DR = 18

               d) BR = 27

               e) AD  = 7

               f) AQ = 21

Step-by-step explanation:

a) AR =  PA = 17

b) PR  = 2 · PA = 2 · 17 = 34

c) DR =  2 · BD = 2 · 9 = 18

d) BR = BD + DR = 9 + 18 = 27

e) AD  = (1/2) · DQ = (1/2) · 14 = 7

f) AQ =  AD + DQ = 7 + 14 = 21

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