Hitunglah k dan L lingkaran jika r =20 cm

By Admin ReiPosted on December 6, 2022

Hitunglah k dan L lingkaran jika r =20 cm

Jawaban:

$k =2 times pi times r =2 times 3.14 times 20 = 6.28 times 20 = 125.6$

$l = pi times {r}^{2} = 3.14 times 20 times 20 = 62.8 times 20 = 1256$