November 2018 2 39 Report

pole powierzchni bocznej walca przedstawionego na rysunku wynosi:

A : 80 PI

B : 40 PI

C : 200 PI

D : 130 PI

http://stereometria.tangens.pl/img/lesson/61/02.gif

Z rysunku:

H ---------- 8

r ------------ 5

z obliczeniami


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