Re: Proportions and Similar Triangles

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In explaining the SSS and SAS similarity postulates, I discuss the Pyramid of Giza, whose base is approx. 750 long and whose edges are roughly the same. When tourists buy souvenirs of the pyramids, those pyramids had better look like the actual pyramid, meaning they had better be similar. Not understanding similarity could spell doom for the souvenir makers/vendors. It’s the same reason we buy action figures, barbies, and Hot Wheels cars. If they weren’t similar we’d never buy them. Who would buy a barbie doll with tiny legs to go with giant feet?