K = 40 cm
L = 30 cm²
Keliling segitiga
= 10 + 10 + 20
= 40 cm
Luas segitiga
= ½ × a × t
= ½ × 10 × 6
= 5 × 6
= 30 cm²
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K = 40 cm
L = 30 cm²
Langkah langkah
Keliling segitiga
= 10 + 10 + 20
= 40 cm
Luas segitiga
= ½ × a × t
= ½ × 10 × 6
= 5 × 6
= 30 cm²