It is not clear from your question what the dimensions of the pyramid are and what surface you are looking for ( Lateral Surface Area or Total Surface Area).
Type in google:
Square Pyramid Calculator calculator soup
When you see the list of results click on:
Square Pyramid Calculator - Calculator Soup
When the page be open type your pyramid dimensions and you will see the result with the explanations.
Find the surface area of the pyramid. 18 11 11
1 answer
3 answers