Respuesta :

ujalakhan18

Answer:

C: x = 10

Step-by-step explanation:

PO = QR (so having equal central angles)

Now

4x-11 = 2x+9

4x-2x = 9+11

2x = 20

Dividing both sides by 2

x = 10

dannielle

Answer:

x=10

Step-by-step explanation:

2x+9=4x-11

-2x      -2x

9=2x-11

+11  +11

20=2x

:2     :2

x=10

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