1001 Watts: Reinvent Yourself, Start Today, and Discover How Women Are Lighting the World

1001 Watts: Reinvent Yourself, Start Today, and Discover How Women Are Lighting the World

Matematika Hitunglah keliling bangun berikut serta luasnya jika panjang jari jarinya 20 cm

Hitunglah keliling bangun berikut serta luasnya jika panjang jari jarinya 20 cm

Jawaban:

Keliling lingkaran=125, 6cm

Luas lingkaran= 1.256cm²

Penjelasan dengan langkah-langkah:

Diketahui: jarijarinya 20cm

Maka d= 2×20 (40cm)

Keliling lingkaran

=Ο€d

=3,14 × 40cm

=>125,6cm

Luas lingkaran

=Ο€r²

=3,14 × 20 × 20

=>1.256cm²

✧soal tugas ?? -chi

[ig: @darkmchiatto]

♡ c y a !¡

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