Sqrt(2) = 1.41
so it would be between 1 and 2
Answer is A
7sqrt = 49 since the base is a square.
49 x 2 = 98 - since there's 2 of those identical squares.
7 x 5 = 35 - area of the rectangular face.
35 x 4 = 140 - since there's 4 of those faces.
140 added by 98 is 238.
So answer is B.
Real numbers and rational numbers
Because in an equilateral triangle all angles should measure 60 degrees otherwise all sides would not be equal.
The sides of a square or rectangle