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1. |
Two circles of radii 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touch them at the points P and Q respectively. Then the area of square with one side PQ, is: |
A. | 72 $$cm^2$$ |
B. | 144 $$cm^2$$ |
C. | 97 $$cm^2$$ |
D. | 194 $$cm^2$$ |
Answer» C. 97 $$cm^2$$ | |