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ShanCk1Ea7rFaifle
ShanCk1Ea7rFaifle ShanCk1Ea7rFaifle
  • 23-07-2016
  • Mathematics
Answered

What is tan angle QTR if line PR is tangent to circle T at Q, and TS = 1 cm?

ATQ
BUQ
CRQ
DTR

Verified Answer :

meerkat18
meerkat18 meerkat18
  • 28-07-2016

tangent = opposite / adjacent

In the diagram:
TQ is the short leg or the opposite
QR is the long leg or the adjacent
TR is the hypotenuse. TS is part of the hypotenuse.

Tan(QTR) = TQ / QR

TS = 1 ; TQ = TS  so, TQ = 1

Tan(QTR) = 1/QR

I think the answer is C.RQ

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