<p><strong>20 points)</strong> Using user defined functions andpointers, find the area and perimeter of an equilateral triangle.An equilateral triangle has three equal sides and three equalangles. Area of any triangle is
<p><img alt="Problems 10 points total Use Excel, properly formatted to be easy to print. Assure your name is on the sheet. 2 points Empire Inc. has estimated its annual demand
<p>1. You need to have the following .java files in theproject:</p><p>a. ListDriverClass</p><p>b. ListInterface</p><p>c. ListReferenceBased</p><p>2. Create a package with the name of ListDriverClass</p><p>a. Your ListDriverClass contains method main().</p><p>b. Your ListDriverClass needs