Answer:
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Correct name: 1 Mark
Diagram: 1 Mark
Formula for area: 1 Mark
Result: 1 Mark
A general parallelogram is a geometric figure which does not have any lineof symmetry. It, however, has an order of rotational symmetry of 2 as we get the same figure when it's rotated by ${180}^{\circ }$ or ${360}^{\circ }$.
For example, if we rotate the following figure by ${180}^{\circ }$, we will still get an identical figure, hence it has an order of rotational symmetry as 2.

For a parallelogram, the area is given by Base x Height
According to question, Base = 6m and Height = 4m
Area = $6\times 4=24m^2$