Question

Jill is setting up a presentation and wants to use a built-in equation, such as the area of a triangle. To insert this in her presentation, she should open the Equation .

Answer 1

If anyone is still wondering it's the Equation Editor

Answer 2

The mathematical operations/symbol/formulae can be inserted into MS powerpoint using equation editor. Just follow these steps:
1)click on the Insert
2) Select Object from the list
3) Select Equation Editor from the list and the dialog box of equation editor will open up. Now, write, edit your equation in this box. When you return back to powerpoint slide, the equation will come on the current slide, you are working on.