r = jari-jari (diketahui d adalah 28 cm, maka jari-jari adalah 28 cm ÷ 2 = 14 cm)
Jawab
[tex]l = \pi \times r \times r \\ l = \frac{22}{7} \times 14 \times 14 \\ l = 22 \times 2 \times 14 \\ l = 44 \times 14 \\ l = 616 \: {cm}^{2} [/tex]
Jadi luas lingkaran adalah 616 cm²
[tex]\colorbox{pink}{\blue{ \boxed{ \tt{ \color{magenta}{maghfi24}♡}}}}[/tex]
= d/2
= 28/2
= 14 cm
L = π × r²
L = 22/7 × 14 × 14
L = 22 × 2 × 14
L = 44 × 14
L = 616 cm² ✔️
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● Luas Lingkaran = π × r × r
r = jari-jari (diketahui d adalah 28 cm, maka jari-jari adalah 28 cm ÷ 2 = 14 cm)
Jawab
[tex]l = \pi \times r \times r \\ l = \frac{22}{7} \times 14 \times 14 \\ l = 22 \times 2 \times 14 \\ l = 44 \times 14 \\ l = 616 \: {cm}^{2} [/tex]
Jadi luas lingkaran adalah 616 cm²
[tex]\colorbox{pink}{\blue{ \boxed{ \tt{ \color{magenta}{maghfi24}♡}}}}[/tex]
= d/2
= 28/2
= 14 cm
_________________
L = π × r²
L = 22/7 × 14 × 14
L = 22 × 2 × 14
L = 44 × 14
L = 616 cm² ✔️