asked 138k views
2 votes
What is tan angle QTR if line PR is tangent to circle T at Q, and TS = 1 cm?

a) TQ
b) UQ
c) RQ
d) TR

1 Answer

5 votes
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
answered
User Azam
by
8.4k points
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