Jawaban:
tinggi =
T = √225 - √81
T = √144
T = 12
Luas = a.t/2
= 18 × 12 /2
= 18 × 6
= 108
pasti benar
Tinggi segitiga ABC = 12 cm
Luas segitiga ABC = 108 cm²
Penjelasan dengan langkah-langkah:
Tinggi segitiga ABC
= √15² - 9²
= √225 - 81
= √144
= 12 cm
Luas segitiga ABC
= 1/2 × a × t
= 1/2 × 18 × 12
= 108 cm²
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Jawaban:
tinggi =
T = √225 - √81
T = √144
T = 12
Luas = a.t/2
= 18 × 12 /2
= 18 × 6
= 108
pasti benar
Jawaban:
Tinggi segitiga ABC = 12 cm
Luas segitiga ABC = 108 cm²
Penjelasan dengan langkah-langkah:
Tinggi segitiga ABC
= √15² - 9²
= √225 - 81
= √144
= 12 cm
Luas segitiga ABC
= 1/2 × a × t
= 1/2 × 18 × 12
= 108 cm²