Anything that is visible on the satellite map can be measured, whether it is a roof, lawn, fence, swimming pool, or whatever else you see. The app will let you measure distance and area; measure as polygon, star, path, or polygon; and measure multiple areas at the same time. You can use the cross hairs to locate or find by GPS or search.
Definition of PIED PIPER. 1. : one that offers strong but delusive enticement.
It is a group of four things, like cells, spores, anything biological. I would recommend looking at Wikipedia for more examples. . A tetrad is a group of four. It may refer to: Tetrad (chromosomal formation) Tetrad (genetics), the four spores of a yeast; Tetrad (general relativity), a mathematical frame of reference in general relativity; Tetrad (index notation), a concept in differential geometry; Tetrad (music), a set of four notes; Tetrad (symbol) or tetractys; Tetrad (unit of area) Tetrad, a group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis Tetrad (astronomy), an occurrence of 4 total lunar eclipses in a row with intervals of 6 lunations .