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Menghitung Luas & Keliling Segitiga Siku-siku By teguh prasetyo A410 080 065 FKIP Matematika

Menghitung Luas & Keliling Segitiga Siku-siku By teguh prasetyo A410 080 065 FKIP Matematika. Luas Segitiga Siku-siku:. Luas = ½ x alas x tinggi. Sisi miring. Contoh: Jika panjang AB = 8 cm dan AC = 10 cm. Hitung luas segitiga ABC ! Jawab: Luas = ½ x alas x ttinggi

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Menghitung Luas & Keliling Segitiga Siku-siku By teguh prasetyo A410 080 065 FKIP Matematika

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  1. Menghitung Luas & Keliling Segitiga Siku-siku By teguh prasetyo A410 080 065 FKIP Matematika

  2. Luas Segitiga Siku-siku: Luas = ½ x alas x tinggi Sisi miring Contoh: Jika panjang AB = 8 cm dan AC = 10 cm. Hitung luas segitiga ABC ! Jawab: Luas = ½ x alas x ttinggi = ½ x 8 x 10 = 40 cm2 tinggi alas

  3. Keliling Segitiga Siku-siku : Keliling siku –siku = jumlah seluruh luas segitiga = alas + tinggi + sisi miring Jika segitiga hanya diketahui sisi alas dan tinggi maka untuk mencari luas harus dicari terlebih dahulu sisi miringnya Sisi miring Contoh : Jika panjang AB = 6 cm dan AC= 8 cm. Hitung keliling segitiga ABC ! Jawab : Dengan menggunakan rumus phytagoras kita mencari sisi miring Sisi miring = = = cm tinggi alas Keliling = alas + tinggi + sisi miring = 6 + 8 + 10 = 24cm

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