Question

Quis Quis Biggg poinnm nih Coyy​

Answer 1

Penjelasan dengan langkah-langkah:

15.

16.

Answer 2

Jawaban:

Tinggi kerucut = 8cm

Tinggi tabung = 30cm

Jari - Jari = 6cm

Garis pelukis kerucut = ?

Garis pelukis-

Lp gabungan-

Lp kerucut-

=> πr (r + s)

=> 3,14 x 6cm (6cm + 10cm)

=> 18,84cm (16cm)

=> 301,44cm²

Lp tabung-

=> 2πr (r + t)

=> 2 x 3,14 x 6cm (6cm + 30cm)

=> 37,68cm (36cm)

=> 1.356,48cm²

L lingkaran-

=> π x r²

=> 3,14 x (6cm)²

=> 113,04cm²

Lp gabungan-

=> Lp kerucut + Lp tabung - L lingkaran

=> 301,44cm² + 1.356,48cm² - 113,04cm²

=> 1.544,88cm²

Volume gabungan-

V kerucut-

=> ⅓ x πr²t

=> ⅓ x 3,14 x (6cm)² x 8cm

=> 301,44cm³

V tabung-

=> πr²t

=> 3,14 x (6cm)² x 30cm

=> 3.391,2cm³

V gabungan-

=> V kerucut + V tabung

=> 301,44cm³ + 3.391,2cm³

=> 3.692,64cm³

note: luas permukaan itu luas bagian luar nya saja.