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Chapter 10
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Mixed problems and proofs
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Quiz
Class X
Quick check : Mixed problems
6 questions
Question 1 of 6
Score:
0
/ 0
Incircle of
△
A
B
C
\triangle ABC
△
A
B
C
touches
B
C
BC
B
C
at
X
X
X
. If
s
s
s
is the semi-perimeter and
B
C
=
a
BC = a
B
C
=
a
, then the tangent length from
A
A
A
is:
A
s
−
a
s - a
s
−
a
B
s
−
b
s - b
s
−
b
C
s
−
c
s - c
s
−
c
D
s
s
s
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