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Ivenika [448]
2 years ago
10

If R is the midpoint of QS,QR=5x-4 and RS=2x+2,find QS

Mathematics
1 answer:
VashaNatasha [74]2 years ago
7 0

Answer:

First graph it out. Once you do that you can see that QR is the same as RS. So you can do the equation 5x-4=2x+2. Once you solve this out you would get 2.4. I'm just an advanced 7th grader, so you can redo the problem to make sure  

Step-by-step explanation:

QS=2.4

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Answer:

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Recall: Angle formed by two secants outside a circle = ½(the difference of the intercepted arcs)

Thus:

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✔️m(QS) = 4x + 4 = 4(12) + 4 = 52°

✔️m(PD) = 12x + 8 = 12(12) + 8 = 152°

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