Penjelasan dengan langkah-langkah:
10.
s = √(24²+7²) = √625 = 25 cm
Lp = 24x7 + (24+7+25)x20
= 168 + 1120
= 1288 cm²
11.
Volume Limas = 20² x 24/3
= 400 x 8
= 3.200 cm³
= 3,2 liter
10.) Prisma alas segitiga
Sisi siku-siku= 24 dan 7
Sisi miring = 25 cm (menggunakan phytagoras)
Tinggi= 20 cm
Lp= (2×Luas Alas) + (Keliling alas × tinggi)
=(2×1/2×24×7) + [(24+7+25)×20]
=168+1120
=1288 cm²
11.) Tinggi (TO)= 24 cm
Sisi alas (persegi)= 20 cm
Volume=1/3× sisi×sisi×tinggi
V= 400×24/3
V= 3200 cm³
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Penjelasan dengan langkah-langkah:
10.
s = √(24²+7²) = √625 = 25 cm
Lp = 24x7 + (24+7+25)x20
= 168 + 1120
= 1288 cm²
11.
Volume Limas = 20² x 24/3
= 400 x 8
= 3.200 cm³
= 3,2 liter
10.) Prisma alas segitiga
Sisi siku-siku= 24 dan 7
Sisi miring = 25 cm (menggunakan phytagoras)
Tinggi= 20 cm
Lp= (2×Luas Alas) + (Keliling alas × tinggi)
=(2×1/2×24×7) + [(24+7+25)×20]
=168+1120
=1288 cm²
11.) Tinggi (TO)= 24 cm
Sisi alas (persegi)= 20 cm
Volume=1/3× sisi×sisi×tinggi
V= 400×24/3
V= 3200 cm³