The word "dilate" comes from the Latin <em>dilatare - </em>literally, "spread out." A <em>dilation </em>then is used to refer to some kind of growth or change in scale, so the most fitting choice here would be C. an enlargement or reduction of the figure.
Boy that math stuff will kill a cracker
<span>86.8954776543 rounded to the nearest millionth is 86.895478
The order after the decimal point goes like this:
tenths, hundredths, thousandths, ten thousandths, hundred thousandths, millionth</span>
Multiply 81.5p and divide 7.5% you get the answer