Which one of the following has a greater perimeter than the rest?
- (a)A square with an area of 36 sq. cm
- (b)An equilateral triangle with a side of 9 cm
- (c)A rectangle with 10 cm as length and 40 sq. cm as area
- (d)A circle with a radius of 4 cm
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Official answer(c) A rectangle with 10 cm as length and 40 sq. cm as area