ajorr28
ajorr28 ajorr28
  • 12-10-2020
  • Mathematics
contestada

What is the length of PR?
A. 7
B. 8
C. 6
D. 9​

What is the length of PRA 7B 8C 6D 9 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 12-10-2020

Answer:

C

Step-by-step explanation:

The triangles are similar by the AA postulate, thus the ratios of corresponding sides are equal, that is

[tex]\frac{AB}{PQ}[/tex] = [tex]\frac{AC}{PR}[/tex] , substitute values

[tex]\frac{20}{5}[/tex] = [tex]\frac{24}{PR}[/tex] ( cross- multiply )

20PR = 120 ( divide both sides by 20 )

PR = 6 → C

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