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Byju's Answer
Standard IX
Mathematics
RHS Criteria for Congruency
In the figure...
Question
In the figure,prove that
△
A
P
M
≅
△
A
P
N
if
P
M
=
P
N
,
P
M
⊥
A
B
and
P
N
⊥
A
C
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Solution
P
M
+
A
B
(
g
i
v
e
n
)
P
N
⊥
A
C
(
g
i
v
e
n
)
Δ
A
N
P
n
a
d
A
M
P
∠
P
N
A
=
90
∘
∠
P
M
A
=
90
∘
A
P
=
A
P
(
c
o
m
m
o
n
)
H
e
n
c
e
D
M
=
P
N
b
y
S
.
A
.
S
c
r
i
t
e
r
i
a
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0
Similar questions
Q.
In the figure,
∠
Q
>
∠
R
, PA is the bisector of
∠
Q
P
R
and
P
M
⊥
Q
R
. Prove that
∠
A
P
M
=
1
/
2
(
∠
Q
−
∠
R
)
Find a
Q.
Question 7
In the given figure,
∠
Q
>
∠
R
, PA is the bisector of
∠
Q
P
R
and PM
⊥
QR. Prove that
∠
A
P
M
=
1
2
(
∠
Q
−
∠
R
)
Q.
In the adjoining figure,
A
B
=
A
C
. If
P
M
⊥
A
B
and
P
N
⊥
A
C
, show that
P
M
×
P
C
=
P
N
×
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B
.
Q.
From the information given in the figure, prove that PM=PN= √3×a
Q.
Question 7
In the given figure,
∠
Q
>
∠
R
, PA is the bisector of
∠
Q
P
R
and PM
⊥
QR. Prove that
∠
A
P
M
=
1
2
(
∠
Q
−
∠
R
)
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