Jawaban:
C. 1.950,67 cm³
Penjelasan dengan langkah-langkah:
Tinggi kerucut
= √(25 cm)² - (7 cm)²
= √625 cm² - 49 cm²
= √576 cm²
= 24 cm
Volume kerucut
= ⅓ πr²t
= ⅓ x 22/7 x 7 cm x 7 cm x 24 cm
= 154 cm² x 8 cm
= 1.232 cm²
Volume ½ bola
= ½ 4/3 πr³
= ⅔ x 22/7 x 7 cm x 7 cm x 7 cm
= 44 x 49 cm³/3
= 2.156 cm³/3
= 718,67 cm³
Volume bangun
= volume kerucut + volume ½ bola
= 1.232 cm³ + 718,67 cm³
= 1.950,67 cm³
Semoga bermanfaat ^_^
Selamat belajar!!
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Jawaban:
C. 1.950,67 cm³
Penjelasan dengan langkah-langkah:
Tinggi kerucut
= √(25 cm)² - (7 cm)²
= √625 cm² - 49 cm²
= √576 cm²
= 24 cm
Volume kerucut
= ⅓ πr²t
= ⅓ x 22/7 x 7 cm x 7 cm x 24 cm
= 154 cm² x 8 cm
= 1.232 cm²
Volume ½ bola
= ½ 4/3 πr³
= ⅔ x 22/7 x 7 cm x 7 cm x 7 cm
= 44 x 49 cm³/3
= 2.156 cm³/3
= 718,67 cm³
Volume bangun
= volume kerucut + volume ½ bola
= 1.232 cm³ + 718,67 cm³
= 1.950,67 cm³
Semoga bermanfaat ^_^
Selamat belajar!!