Question

BANTU PAKE CARA, GA PAKE CARA REPORT ​

Answer 1

JAWABAN :
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NO.4
LUAS JURING COD ADALAH....CM² ?
↪️ 30° / 360 ° πr²
=> 1/12 × 3,14 (20cm )²
=> 104,67 cm² ( A)
NO.5
LUAS JURING AOB ADALAH....CM² ?
↪️ 90° / 360° × πr²
=> 1/4 × 3,14 (20 cm)²
=> 314 cm² ( B)
NO.6
PANJANG BUSUR AB ADALAH....CM?
↪️ 90° / 360° × 2πr
=> 1/4 × 2 × 3,14 × 20 cm
=> 31,4. Cm (B)

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