Jawaban:
keliling segitiga 32 cm dan luasnya 42 cm
Penjelasan dengan langkah-langkah:
k = s + s + s
k = 10 + 10 + 12
k = 32 cm
t = √sisi miring²-alas²
t = √10²-6² cm
t = √100-36 cm
t = √64 cm
t = 8 cm
L = ½ × a × t
L = ½ × 12 × 8
L = 42 cm²
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Jawaban:
keliling segitiga 32 cm dan luasnya 42 cm
Penjelasan dengan langkah-langkah:
k = s + s + s
k = 10 + 10 + 12
k = 32 cm
t = √sisi miring²-alas²
t = √10²-6² cm
t = √100-36 cm
t = √64 cm
t = 8 cm
L = ½ × a × t
L = ½ × 12 × 8
L = 42 cm²