Allie10Need10Helpy Allie10Need10Helpy

10-06-2016
Mathematics

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

Nevermind, the answer is RQ.

What is tan angle QTR if line PR is tangent to circle T at Q and TS 1 cmNevermind the answer is RQ class=

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metchelle metchelle

24-06-2016

Correct! The answer is RQ. Refer below for an explanation as to why this is:

tan(QTR) = (RQ / QT)

Since Q and S are part of the same circle:
QT = TS = 1

Therefore:
RQ / QT = RQ / 1 = RQ

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