Panjang diameter sebuah lingkaran 44cm. luas lingkaran itu... cm.... Question from @denysanjaya64

September 2018 2 13 Report

Panjang diameter sebuah lingkaran 44cm. luas lingkaran itu... cm

YandaCahyani Dik : d= 44 cm, -> r= 22 cm
dit : L ?

penyelesaian :
$\pi r^{2}$
= 3,14 x $22^{2}$
= 3,14 x 484
= 1519,76 cm

21 votes Thanks 78

zenshin Luas lingkaran=1/4 x phi x d^2
=1/4 x 3,14 x 44 x 44
=1519,76 cm^2

9 votes Thanks 26

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