The sides of one regular hexagon are larger than that of the other regular hexagon by 1 cm. If the product of their areas is 243, then find the side of the smaller regular hexagon.
A
2
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B
3
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C
4
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D
5
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Solution
The correct option is B2 Let sides of the hexagon be a and b Such that, a−b=1 Area of hexagon =3√32s2 (3√32a2)(3√32b2)=243 a2b2=243×427 b2(b+1)2=36 b(b+1)=6 b2+b−6=0 (b+3)(b−2)=0 b=2,−3 Hence, a=b+1=3 units Thus, sides of the hexagon are 2 units and 3 units.