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Mathematics
Mathematics
Problem
In a circle,
P
Q
PQ
P
Q
is a diameter and
R
R
R
is any other point on the circle. Which of the following best describes
△
P
Q
R
\triangle PQR
△
P
QR
at
R
R
R
? a)
Isosceles (with
P
R
=
R
Q
)
\text{Isosceles (with }PR = RQ)
Isosceles (with
P
R
=
R
Q
)
b)
Acute-angled
\text{Acute-angled}
Acute-angled
c)
Right-angled
\text{Right-angled}
Right-angled
d)
Right-angled at
P
\text{Right-angled at }P
Right-angled at
P
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