R=15CM D=?CM L=?CM 2.R=25 D=? L=?
Matematika
pandujaya
Pertanyaan
R=15CM
D=?CM
L=?CM
2.R=25
D=?
L=?
D=?CM
L=?CM
2.R=25
D=?
L=?
1 Jawaban
-
1. Jawaban ariaamadeus2
1.
r = jari-jari = 15cm
D = diameter = 30cm
L = luas =π × r² = 3,14 × 225cm² = 706,5
2.
r = 25cm
D= 50cm
L= 3,14 × 625cm²=1962,5
semoga membantu, kalo mau tanya lagi gpp :D