The triangles below are similar. Which similarity expresses the realationship between the two triangles?

Can someone me with my hwplz(only the circled ones)

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.