Jawaban:
a. ts = 25 cm
b. Lp = 896 cm²
c. V = 1.568 cm³
Penjelasan dengan langkah-langkah:
s = 14 cm
t = 24 cm
a. tinggi segitiga (ts)
ts = √(t² + (½ × s)²)
ts = √(24² + (½ × 14)²)
ts = √(576 + 7²)
ts = √(576 + 49)
ts = √625
ts = 25 cm
b. luas permukaan
Lp = Luas alas + jumlah luas sisi tegak
Lp = (s × s) + (4 × ½ × a × ts)
Lp = (14 × 14) + (2 × 14 × 25)
Lp = 196 + 700
Lp = 896 cm²
c. Volume
V = ⅓ × luas alas × tinggi limas
V = ⅓ × (14 × 14) × 24
V = ⅓ × 196 × 24
V = 1.568 cm³
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Jawaban:
a. ts = 25 cm
b. Lp = 896 cm²
c. V = 1.568 cm³
Penjelasan dengan langkah-langkah:
s = 14 cm
t = 24 cm
a. tinggi segitiga (ts)
ts = √(t² + (½ × s)²)
ts = √(24² + (½ × 14)²)
ts = √(576 + 7²)
ts = √(576 + 49)
ts = √625
ts = 25 cm
b. luas permukaan
Lp = Luas alas + jumlah luas sisi tegak
Lp = (s × s) + (4 × ½ × a × ts)
Lp = (14 × 14) + (2 × 14 × 25)
Lp = 196 + 700
Lp = 896 cm²
c. Volume
V = ⅓ × luas alas × tinggi limas
V = ⅓ × (14 × 14) × 24
V = ⅓ × 196 × 24
V = 1.568 cm³