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1. |
A circle with centre 0 and radius 5 cm is inscribed in an equilateral triangle ABC. Find the perimeter of\[\Delta \text{ABC}\]. |
A. | \[15\sqrt{3}\,cm\] |
B. | \[25\sqrt{2}\,cm\] |
C. | \[14\sqrt{2}\,cm\] |
D. | \[30\sqrt{3}\,cm\] |
Answer» E. | |