Q: Is area the quantity that expresses the extent of a two-dimensional figure or shape? ¶
A: Yes, or planar lamina, in the plane.
Q: Is area related to the definition of determinants in linear algebra? ¶
A: Yes, and is a basic property of surfaces in differential geometry.
Q: Is area its analog on the two-dimensional surface of a three-dimensional object? ¶
A: Yes.
Q: Is area all rational numbers? ¶
A: Yes.
Q: Is area the square metre? ¶
A: Yes, and which is considered an SI derived unit.
Q: Is area the square metre? ¶
A: Yes, and which is the area of a square whose sides are one metre long.