, <H2> And <H3> Tags. Add At Least 5 Lists With <Ul> And <Li> Tags. Add At Least 3 Tables With <Table> Tag. Add At Least 3 Emphasized Texts With <Em> And <Strong> Tags. <H1> ¿Cuál Es La Fórmula Para Calcular El Área De Un Prisma Octagonal?

Área de un prisma octagonal fórmula, ejemplo y calculadora from www.areasyvolumenes.net

add at least 3 external links in the article.
add at least 3 internal links in the article.
add at least 5 images in the article with tag and alt tags.
add at least 3 videos in the article with