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Byju's Answer
Standard VII
Mathematics
Equal Angles Subtend Equal Sides
ΔABC is an is...
Question
Δ
ABC is an isosceles triangle in which AB
=
AC. Show that
∠
B
=
∠
C.
Open in App
Solution
W
e
g
i
v
e
n
a
n
i
s
o
s
c
e
l
e
s
t
r
i
a
n
g
l
e
,
A
B
C
i
n
w
h
i
c
h
A
B
=
A
C
.
w
e
n
e
e
d
t
o
p
r
o
v
e
t
h
a
t
∠
B
=
∠
C
L
e
t
u
s
d
r
a
w
t
h
e
b
i
sec
t
o
r
o
f
∠
A
a
n
d
l
e
t
D
b
e
t
h
e
p
o
i
n
t
s
o
f
i
n
t
e
r
sec
t
i
o
n
o
f
t
h
i
s
b
i
sec
t
o
r
o
f
∠
A
a
n
d
B
C
(
S
e
e
F
i
g
)
I
n
t
r
i
a
n
g
l
e
,
A
B
=
A
C
(
g
i
v
e
n
)
∠
B
A
D
=
∠
C
A
D
(
b
y
c
o
n
s
t
r
u
c
t
i
o
n
)
A
D
=
A
D
(
c
o
m
m
o
n
)
Δ
B
A
D
≅
Δ
C
A
D
(
b
y
S
A
S
n
e
e
d
)
∴
∠
B
=
∠
C
(
C
P
C
T
)
.
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Similar questions
Q.
ΔABC is an isosceles triangle in which AB = AC. Show that ∠B = ∠C.
Q.
△
A
B
C
is an isosceles triangle in which
A
B
=
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. Show that
∠
B
=
∠
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Q.
In
Δ
ABC, AD is the perpendicular bisector of BC(see adjacent figure). Show that
Δ
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=
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Q.
Δ
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B
=
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C
. Draw
A
P
⊥
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C
to show that
∠
B
=
∠
C
.
Q.
A
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is an isosceles triangle with
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B
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