Jawaban:
429,12 cm^2
Penjelasan dengan langkah-langkah:
Rumus luas lingkaran:
Luas = π × r^2
Daerah yang diarsir:
3/4
Luas daerah yang diarsir
= 3/4 × π × r^2
= 3/4 × 3,14 × 13,5 × 13,5
= 3/4 × 42,39 × 13,5
= 3/4 × 572,265
= 1.716,795/4
= 429,19875
= 429,12 cm^2
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Verified answer
Jawaban:
429,12 cm^2
Penjelasan dengan langkah-langkah:
Rumus luas lingkaran:
Luas = π × r^2
Daerah yang diarsir:
3/4
Luas daerah yang diarsir
= 3/4 × π × r^2
= 3/4 × 3,14 × 13,5 × 13,5
= 3/4 × 42,39 × 13,5
= 3/4 × 572,265
= 1.716,795/4
= 429,19875
= 429,12 cm^2