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J singh

· started a discussion

· 1 Months ago

pls, explain the concept in the fig.

Question:
Two circles of radii 4 cm and 9 cm respectively touch each other externally at a point and a common tangents touches them at the points P and Q respectively. Then the area of a square with the side PQ is–
Options:
A) 72 cm2
B) 144 cm2
C) 97 cm2
D) 194 cm2
Solution:
Ans: (b)



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