Respuesta :

calculista

Answer:

x=4

Step-by-step explanation:

we know that

m∠PQS=m∠PQR+m∠RQS

we have

m∠PQS=112°

m∠PQR=72°

m∠RQS=10x

substitute

112°=72°+10x

Solve for x

10x=112°-72°

10x=40

x=4

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