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Mathematics
Mathematics
Problem
Triangle PQR has sides
P
Q
=
9
cm
PQ = 9\text{ cm}
P
Q
=
9
cm
,
Q
R
=
12
cm
QR = 12\text{ cm}
QR
=
12
cm
and
P
R
=
15
cm
PR = 15\text{ cm}
P
R
=
15
cm
. What can be concluded about
∠
Q
\angle Q
∠
Q
? a)
∠
Q
\angle Q
∠
Q
is an obtuse angle
(
>
90
∘
)
(>90^{\circ})
(
>
9
0
∘
)
. b) No conclusion can be drawn about
∠
Q
\angle Q
∠
Q
. c)
∠
Q
\angle Q
∠
Q
is a right angle
(
90
∘
)
(90^{\circ})
(
9
0
∘
)
. d)
∠
Q
\angle Q
∠
Q
is an acute angle
(
<
90
∘
)
(<90^{\circ})
(
<
9
0
∘
)
.
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