Jawab:
38,5
Penjelasan dengan langkah-langkah:
Keliling = 2 x π x r
22 = 2 x 3,14 x r
22 = 6,28 x r
22 ÷ 6,28 = r
3,5 = r
Luas = π x r x r
= 22/7 x 3,5 x3,5
= 38,5
Jawaban:
r=3,5cm
d=7 cm
maka
1/4 x 22/7 x 7²
1/4 x 154
L=38,5 cm²
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Jawab:
38,5
Penjelasan dengan langkah-langkah:
Keliling = 2 x π x r
22 = 2 x 3,14 x r
22 = 6,28 x r
22 ÷ 6,28 = r
3,5 = r
Luas = π x r x r
= 22/7 x 3,5 x3,5
= 38,5
Verified answer
Jawaban:
r=3,5cm
d=7 cm
maka
1/4 x 22/7 x 7²
1/4 x 154
L=38,5 cm²