A) 21 sqcm
B) 21-22 sqcm
C) 14 sqcm
D) 28 sqcm
Correct Answer: B
Solution :
Area \[=\frac{\sqrt{3}}{7}{{(7)}^{2}}\,\,c{{m}^{2}}\] \[=21.217\,\,c{{m}^{2}}\] \[=21.22\,\,c{{m}^{2}}\]
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