Jawaban:
d
Penjelasan dengan langkah-langkah:
r = 21 cm
Luas juring OAB = ¼ x 22/7 x 21² = 346,5 cm²
Luas ∆ AOB = 21²/2 = 220,5 cm²
Luas diarsir = Luas tembereng AB
= 346,5 – 220,5
= 126 cm²
Luas juring OAB = 14 x 22/7 x 21² = 346,5 cm²
Luas A AOB = 21²/2 = 220,5 cm²
= 346,5 - 220,5
Betty tobing♡
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Jawaban:
d
Penjelasan dengan langkah-langkah:
r = 21 cm
Luas juring OAB = ¼ x 22/7 x 21² = 346,5 cm²
Luas ∆ AOB = 21²/2 = 220,5 cm²
Luas diarsir = Luas tembereng AB
= 346,5 – 220,5
= 126 cm²
Jawaban:
r = 21 cm
Luas juring OAB = 14 x 22/7 x 21² = 346,5 cm²
Luas A AOB = 21²/2 = 220,5 cm²
Luas diarsir = Luas tembereng AB
= 346,5 - 220,5
= 126 cm²
Betty tobing♡