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Byju's Answer
Standard XII
Chemistry
Van't Hoff Factor
In ABC,∠ BA...
Question
In
△
A
B
C
,
∠
B
A
C
=
90
∘
,
seg
A
D
⊥
seg
B
C
and
B
−
D
−
C
,
B
D
=
3
,
D
C
=
12
then find
A
D
.
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Solution
U
s
e
t
h
e
g
e
o
m
e
t
r
i
c
m
e
a
n
f
o
r
m
u
l
a
f
o
r
u
r
d
i
a
g
r
a
m
i
s
A
D
×
A
D
=
B
D
×
D
C
=
12
×
3.
=
36
T
a
k
i
n
g
s
q
u
a
r
e
r
o
o
t
o
f
b
o
t
h
s
i
d
e
A
D
=
6
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