Tell whether the transformation appears to be an isometry

The curved part of the figure is the semicircle what is the best approximation for the area of this figure

Yes8. (03.01)the range of a relation is (1 point)a set of points that pair input values with output valuesx and y values written in the form (x, y)the output (y) values of the relationthe input (x) values of the relation0description

Explain whether this dilation is an enlargement or a reduction, and how you know.