Panjang Jari-jari nya:
Maka,
Luas:
r = k ÷ π × 2
r = 616 ÷ 22/7 × 2
r = 616 ÷ 44/7
r = 616 × 7/44
r = 4.312/44
r = 98 cm
L = π × r²
L = 22/7 × 98²
L = 22/7 × 9.604
L = 211.288/7
L = 30.184 cm²
UwU
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Panjang Jari-jari nya:
Maka,
Luas:
SOAL 1
r = k ÷ π × 2
r = 616 ÷ 22/7 × 2
r = 616 ÷ 44/7
r = 616 × 7/44
r = 4.312/44
r = 98 cm
L = π × r²
L = 22/7 × 98²
L = 22/7 × 9.604
L = 211.288/7
L = 30.184 cm²
UwU