Երկրաչափություն

242

∡AOH=360°/n, n=360/<AOH

ա) uAH=60o

n=360/60=6

բ) uAH=30o

n=360/30=12

գ) uAH=90o

n=360/90=4

դ) uAH=36o

n=360/36=10

ե) uAH=18o

n=360/18=20

զ) uAH=72o

n=360/72=5

243

ա) 36o

n=360/36=10

բ) 24o

n=360/24=15

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