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Byju's Answer
Standard IX
Mathematics
Rectangle
is it possibl...
Question
is it possible to have a quadrilateral with three of its angles equal and the fourth angle thrice of one of the angles? why or why not? answer fast
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Solution
Dear student,
It
is
never
possible
to
have
a
quadrilateral
with
three
ot
its
angles
equal
and
the
fourth
angle
thrice
ot
the
angles
.
Suppose
if
possible
,
it
is
true
.
Let
each
of
three
equal
angles
of
the
quadrilateral
=
x
Then
the
fourth
angle
will
be
=
3
·
x
=
3
x
Since
sum
of
ll
the
angles
pf
a
quadrilateral
is
360
°
Therefore
,
we
have
:
x
+
x
+
x
+
3
x
=
360
°
⇒
6
x
=
360
°
⇒
x
=
60
°
Therefore
the
fourth
angle
will
be
3
×
60
°
=
180
°
which
is
a
straight
line
and
cannot
be
the
angle
of
quadrilateral
Regards
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