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1. |
Q: The ratio of two unequal sides of a rectangle is 1 : 2. If its perimeter is 24 cm, then the length of diagonal in cm is: |
A. | $$ {2 \over {\sqrt {5}}}$$ |
B. | $$ {4 \over {\sqrt {5}}}$$ |
C. | $$ {2 {\sqrt {5}}}$$ |
D. | $$ {4 {\sqrt {5}}}$$ |
Answer» E. | |