Question

Suatu segitiga, panjang sisi sisinya adalah 5× cm,8×cm,17×cm, jika kelilingnya 90 cm, Tentukanlah panjang sisi sisinya

Answer 1

Verified answer

K = 5x + 8x + 17x
90 = 30x
x = 90 ÷ 30
x = 3

sisi 1 = 5x = 5 × 3 = 15 cm
sisi 2 = 8x = 8 × 3 = 24 cm
sisi 3 = 17x = 17 × 3 = 51 cm