Two circles with radius 4 cm and 9 cm re...

Two circles with radius 4 cm and 9 cm respectively touch each other externally. Their common tangent touches the circles at point P and Point Q respectively. Then, area of the square with side PQ is.

72 sq. cm

144 sq. cm

97 sq. cm

194 sq. cm

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LUCENT PUBLICATION-CIRCLE AND ITS TANGENT LINES-EXERCISE 8B

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