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Byju's Answer
Standard IX
Mathematics
Angle Sum Property of a Quadrilateral
The angles of...
Question
The angles of quadrilateral are in the ratio
3
:
5
:
9
:
13
. Find all the angles of the quadrilateral.
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Solution
Let
A
B
C
D
be a quadrilateral in which
∠
A
:
∠
B
:
∠
C
:
∠
D
=
3
:
5
:
9
:
13
Sum of the ratios
=
3
+
5
+
9
+
13
=
30
Also ,
∠
A
+
∠
B
+
∠
C
+
∠
D
=
360
o
Sum of all the angles of quadrilateral is
360
o
.
∴
∠
A
=
3
30
×
360
o
=
36
o
∠
B
=
5
30
×
360
o
=
60
o
∠
C
=
9
30
×
360
o
=
108
o
∠
D
=
13
30
×
360
o
=
156
o
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Similar questions
Q.
The angle of quadrilateral are in the ratio 3 : 5 : 9 :13. Find all the angles of the quadrilateral.
Q.
The interior angles of quadrilateral are in the ratio
3
:
5
:
9
:
13
. Find all the angles of the quadrilateral.
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Angle Sum Property of a Quadrilateral
Standard IX Mathematics
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