Answer:The answer to this question is 15
Explanation:
array1.length contains the number of rows.Since a 2-D array is a 1-D array of 1-D arrays.So the value of array1.length will be 15 and the value of array1[0].length will be 10 that is the number of columns.So we conclude that the answer is 15 that is the number of the rows.
From the Page Layout tab, click Margins. Select Custom Margins... from the drop-down menu. Selecting Custom Margins...
The Page Setup dialog box will appear.
Adjust the values for each margin, then click OK. The Page Setup dialog box.
The margins of the document will be changed