Jawaban:
a.65,94
b.62,8
c.175,84
d.113,04
Penjelasan dengan langkah-langkah:
keliling lingkaran: 2xπr
a. diameter:21, jari-jari= 21:2= 10,5
2x3,14,10,5=65,94
b. diameter: 20, jari jari= 20:2= 10
2x3,14x10= 62,8
c. diameter: 56, jari jari= 56:2= 28
2x3,14x28= 175,84
d. diameter= 36, jari jari= 36:2= 18
2x3,14x18=113,04
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
a.65,94
b.62,8
c.175,84
d.113,04
Penjelasan dengan langkah-langkah:
keliling lingkaran: 2xπr
a. diameter:21, jari-jari= 21:2= 10,5
2x3,14,10,5=65,94
b. diameter: 20, jari jari= 20:2= 10
2x3,14x10= 62,8
c. diameter: 56, jari jari= 56:2= 28
2x3,14x28= 175,84
d. diameter= 36, jari jari= 36:2= 18
2x3,14x18=113,04