To which of the following shapes the area can't be calculated if the perimeter is given?
Choose the correct choice from the following: A) Circle. B) An isosceles right triangle. C) Rectangle. D) A regular Hexagon E) Square.
Except for a rectangle all other geometric shapes are dependent on one variable, and thus we can calculate one unique value of the area if we are provided the perimeter.   A. Circle -&gt; Radius   B. An isosceles right triangle -&gt; One side.   C. Rectangle -&gt; Length and breadth.   D. A regular Hexagon -&gt; Side of the hexagon   E. Square -&gt; Side.   ANSWER:Rectangle.
<result>C</result>
To which of the following shapes the area can't be calculated if the perimeter is given?