Respuesta :

calculista
we know that
 ∠ TSR = 84°

if SQ bisects ∠ TSR
then 
∠ RSQ = ∠ TSR/2
so
∠ RSQ = (1/2)*84°----- 42°
∠ RSQ = 3x-9
3x-9=42-------> 3x=42+9------> 3x=51-----> x=51/3-----> x=17°

the answer is
x=17°

we know that

∠ TSR = 84°

if SQ bisects ∠ TSR

then  

∠ RSQ = ∠ TSR/2

so

∠ RSQ = (1/2)*84°----- 42°

∠ RSQ = 3x-9

3x-9=42-------> 3x=42+9------> 3x=51-----> x=51/3-----> x=17°

the answer is

x=17°

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