We’ll call the slantheight for this problem.Usingthe PythagoreanTheorem:
Now find the area of eachtriangle:
As thereare triangles:
Finally, add the total area of the trianglesto the area of the base.
Example 1
Use the net to find the total area of the regularhexagonalpyramidwith an apothemof. The dimensionsare givenin centimeters.