Surface Area of Polyhedrons

Yasmin has a pair of earrings that are shaped like an octahedron. She wants to know the surface area of each earring. Can you find the surface area if the length of the earring is $0.4 \mathrm{in}$.

What is the total surface area of a regular octahedron with sides $10$ cm ?

If the edge length of the regular Octahedron is $98\sqrt{3} {\mathrm{cm}}^2$, then find the total surface area of the regular Octahedron.

If the total surface area of the regular Octahedron is $98\sqrt{3} {\mathrm{cm}}^2$, then find the edge length of the regular Octahedron.

If the edge length of the regular Octahedron is $7$ cm, then find the lateral surface area of the regular Octahedron.

If the lateral surface area of the regular Octahedron is $98\sqrt{3} {\mathrm{cm}}^2$, then find the edge length of the regular Octahedron.

A wire of length 60 ft is bent to form a regular octahedron. Find the length of each of the edges of the octahedron.

Yasmin has a pair of earrings that are shaped like an octahedron. She wants to know the surface area of each earring. Can you find the surface area if the length of the earring is 2 cm?

If the edge length of the regular tetrahedron is $20 \mathrm{cm}$, then find the total surface area of the regular tetrahedron.

If the total surface area of the regular tetrahedron is $49\sqrt{3} {\mathrm{cm}}^2$, then find the edge length of the regular tetrahedron.

If the lateral surface area of the regular tetrahedron is $300\sqrt{3} {\mathrm{cm}}^2$, then find the edge length of the regular tetrahedron.

If the lateral surface area of the regular tetrahedron is $300\sqrt{3} {\mathrm{cm}}^2$, then find the total surface area of the regular tetrahedron.

Cotyledons are also called-