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Saurabh singh

· started a discussion

· 1 Months ago

question 21 (Question: 233285.0 )

question wrong hi......xzy=90 hoga...please reply...

Question:
X and Y are centres of circles of radii 9 cm and 2 cm respectively, XY = 17 cm. Z is the centre of a circle of radius r cm which touches the above circles externally. Given that \(\angle \)XZY= 90ยบ, the value of r is:
Options:
A) 13 cm
B) 6 cm
C) 9 cm 
D) 8 cm
Solution:

Ans: (b)

Jha Kaushal

· commented

· 1 Months ago

You are right man!

sunil dhukia

· commented

· 1 Months ago

Shi kha
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