Jawaban:
1.032 cm²
Penjelasan dengan langkah-langkah:
luas alas = 18 × 24/2 = 216 cm²
Panjang sisi alas = √12² + 9²
=√144 +81
=√225
=15 cm
Keliling alas = 15 × 4 = 60 cm
Luas seluruh sisi
= (2 × luas alas) + (keliling alas × t.)
=(2 × 216) + (60 × 10)
=432 + 600
=1.032 cm²
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Jawaban:
1.032 cm²
Penjelasan dengan langkah-langkah:
luas alas = 18 × 24/2 = 216 cm²
Panjang sisi alas = √12² + 9²
=√144 +81
=√225
=15 cm
Keliling alas = 15 × 4 = 60 cm
Luas seluruh sisi
= (2 × luas alas) + (keliling alas × t.)
=(2 × 216) + (60 × 10)
=432 + 600
=1.032 cm²