Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In a circle,
△
P
Q
R
\triangle PQR
△
P
QR
is drawn such that
∠
P
Q
R
=
90
∘
\angle PQR = 90^{\circ}
∠
P
QR
=
9
0
∘
. Which of the following must be true? a)
P
Q
is a diameter
PQ\,\text{ is a diameter}
P
Q
is a diameter
b)
P
R
is a diameter
PR\,\text{ is a diameter}
P
R
is a diameter
c)
Q
R
is a diameter
QR\,\text{ is a diameter}
QR
is a diameter
d)
The centre of the circle lies on
Q
R
\text{The centre of the circle lies on }QR
The centre of the circle lies on
QR
Browse the problem library