mr reyes is laying a circular playground and its radius is fifty meters what is the 円周

解

m r reyes i s l a y in g a c i rc u l a r pl a y g ro u n d an d i t s r a d i u s i s f i f t y m e t ers w ha t i s t h e c i rc u m f ere n ce

c i rc u m f ere n ce : 100 π m

十進法表記

314.15926 \dots

解答ステップ

Given:

r a d i u s : 50 m

指定された円周

r = 50 : C = 100 π

c i rc u m f ere n ce : 100 π m