Jawaban:
616 cm²
Penjelasan dengan langkah-langkah:
A. Ubah keliling menjadi jari - jari
K = 22/7 × r
44 cm = 22/7 × r
r = 44 : 22/7
= 44 × 7/22
= 14 cm
B. Cari luasnya
L = πr²
= 22/7 × 14 cm× 14 cm
= 616 cm²
Jawab:
k = 2 x π x r = 2 x 22/7 x r = 44 => r = 7
luas = π x r x r = 22/7 x 7 x 7 = 154
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Jawaban:
616 cm²
Penjelasan dengan langkah-langkah:
A. Ubah keliling menjadi jari - jari
K = 22/7 × r
44 cm = 22/7 × r
r = 44 : 22/7
= 44 × 7/22
= 14 cm
B. Cari luasnya
L = πr²
= 22/7 × 14 cm× 14 cm
= 616 cm²
Jawab:
k = 2 x π x r = 2 x 22/7 x r = 44 => r = 7
luas = π x r x r = 22/7 x 7 x 7 = 154