The formula for double the area of a circle
About 1.3 square meters. (1.30064256 square meters).
14 'squared' means 14 multiplied by itself (14 x 14 = 196 )
14 squared = 196, so you're looking for the sqrt of double that, ie 392, which is almost exactly 19.8
14 million squared = 196 trillion.
The base is 14.
It means 14 x 14
142 = 14*14=196
It means: 14 times 14 = 196
No, it is rational.