In Microsoft PowerPoint, you can fill an area of a shape or text using the gradient fill in the Shape Format pane. Learn how!

A triangle is a closed shape with three sides and three vertices. The general formula to calculate the area of a triangle is half of the product of its base and height.

Area of composite shapes To calculate the area of a composite shape you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together.