Matematika Sekolah Dasar mohon dijawab no ngasal.besok dikumpul​

melissagreenulv – April 11, 2023

mohon dijawab no ngasal.
besok dikumpul​

[tex]\tt\blue{keliling}[/tex]

[tex] = \frac{1}{2} \times 2 \times \pi \times r[/tex]

[tex] = \frac{1}{2} \times 2 \times \frac{22}{7} \times 7[/tex]

[tex]\tt\red{ = 22 \: cm}[/tex]

[tex]\tt\purple{luas}[/tex]

[tex] = \frac{1}{2} \times \pi \times {r}^{2} [/tex]

[tex] = \frac{1}{2} \times \frac{22}{7} \times 7 \times 7[/tex]

[tex]\tt\red{ = 77 \: {cm}^{2} }[/tex]

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