Penjelasan dengan langkah-langkah:
d = 14 cm
r = 7 cm
Luas = ½πr²
= ½ × 22/7 × 7²
= 22/2 × 49/7
= 11 × 7
Jawaban:
Diketahui :
Ditanya :
L = ½πr²
L = ½ × π × r²
L = ½ × π × ( r × r)
L = ½ × 22/7 × 7²
L = ½ × 22/7 × ( 7 × 7 )
L = ½ × 22/7 × 49
L = 22/14 × 49
L = 1.078/14
L = 1.078 ÷ 14
L = 77 Cm ( Opsi C)
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Penjelasan dengan langkah-langkah:
d = 14 cm
r = 7 cm
Luas = ½πr²
= ½ × 22/7 × 7²
= 22/2 × 49/7
= 11 × 7
= 77 cm²
Jawaban:
Diketahui :
Ditanya :
Ditanya :
L = ½πr²
L = ½ × π × r²
L = ½ × π × ( r × r)
L = ½ × 22/7 × 7²
L = ½ × 22/7 × ( 7 × 7 )
L = ½ × 22/7 × 49
L = 22/14 × 49
L = 1.078/14
L = 1.078 ÷ 14
L = 77 Cm ( Opsi C)