Ngab………………​

Jawaban:

Luas Lingkaran 1/8

= 1/8 × π × r²

= 1/8 × 3,14 × 32 × 32

= 1/8 × 3,14 × 1.024

= 1/8 × 3.215,36

= 401,92 cm²

Luas 1/4 lingkaran

= 1/4 × π × r²

= 1/4 × 3,14 × 40²

= 5.024 cm²

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