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Kalicharan

· started a discussion

· 1 Months ago

How (Question:394544.0)

RS=PS

Question:

In the given figure, a smaller circle touches a larger  circle at P and passes through its centre O, PR is a chord and smaller circle has radius  8.5 cm and OS = 8 cm, then what is the length of QS (in cm) ?

  

Options:
A)

20

B)

26

C)

22

D)

27

Solution:

Ans: (c)


Knowledge Expert

· commented

· 1 Months ago

In triangle PSO and triangle PRQ congruence by angle (angle p = angle p) angle (angle S and angle R= 90). thus RS=PS because corresponding sides of congruence triangle.

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