3 years ago

Help!! photo included

Mathematics

1 answer:

BabaBlast [244]3 years ago

4 0

Answer:

< S = 32

Step-by-step explanation:

< S = 180 - (< R + < T)

< R = < T

15x - 31 = 9x + 11

6x = 42

x = 7

< R = 74

< S = 180 - (74 + 74)

< S = 180 - 148

< S = 32

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