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Byju's Answer
Standard IX
Mathematics
Angle of Elevation
If PR∥ TS a...
Question
If
P
R
∥
T
S
and
P
U
∥
R
S
then
x
is equal to :
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Solution
We have,
P
R
|
|
T
S
and
P
U
|
|
R
S
Thus, We know that the sum of interior angles is
180
o
∠
R
S
U
+
∠
P
U
S
=
180
o
40
o
+
∠
P
U
S
=
180
o
∠
P
U
S
=
140
o
So,
∠
P
U
T
=
180
o
−
140
o
=
40
o
Now in
△
T
P
U
∠
P
U
S
=
∠
T
P
U
+
∠
T
U
P
140
o
=
x
+
40
o
x
=
100
o
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0
Similar questions
Q.
In the figure, is PRSU a square?
(1) PQ = QR and UT = TS.
(2) PU = RS.
Q.
In the given figure,
P
T
=
Q
R
a
n
d
P
T
|
|
Q
R
and the three sides
P
Q
=
R
S
=
T
S
. If
∠
Q
P
T
=
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, then
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S
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In the given figure, if
T
S
|
|
Q
V
,
S
V
|
|
T
Q
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R
S
=
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∘
, then
∠
T
Q
R
is equal to
Q.
In the given figure, PQ || TS || MR. If TN = 6 cm, NR = 12 cm, PQ = 12 cm and MR = 18 cm, then the length of PR is
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Chords
M
N
and
R
S
of a circle intersect at
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=
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then the value of
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