A) 6 cm, 12 cm
B) 12 cm, 24 cm
C) 16 cm, 32 cm
D) 18 cm, 36 cm
Correct Answer: B
Solution :
[b] Let one diagonal be a cm. Then, another diagonal be = 2a cm \[\frac{1}{2}\times a\times 2a=144\] \[\Rightarrow \] \[{{a}^{2}}-144\]\[\Rightarrow \]\[a=12\,cm\] Length of diagonals are 12 cm and 24cm. |
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