charleyloveba charleyloveba

19-04-2018
Mathematics

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What is the length of SR?

18 units

9 units

12 units

15 units

What is the length of SR 18 units 9 units 12 units 15 units class=

Respuesta :

grantbu00 grantbu00

25-01-2019

Answer:

Step-by-step explanation:

RT = sqrt(20^2 - 16^2)

RT = sqrt(400 - 256)

RT = sqrt(144)

RT = 12

SR/ST= QR/QT

SR/12 = 20/16

SR = 12 x 20 / 16

SR = 240/16

SR = 15

answer is C.

15 Units

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