Circles
> Question
Case-Study
2 marks
Year: 2023
Medium
CBSE Class 10
circles
tangent
case-study
similarity
Question
OR part of Q38(c): Find the length of
PQ
.
Solution
1
(iii)
QB
=
150
−
75
=
75
cm
Now,
△
BQP
∼
△
BO
A
+0.5 marks
2
⇒
OB
QB
=
O
A
PQ
⇒
2
1
=
75
PQ
+1 mark
3
⇒
PQ
=
2
75
cm
+0.5 marks
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