luas sebuah segitiga diketahui 340 cm² jika tingginya 40 cm, hitunglah panjang alasnya!
bantu jawabb!!!!!!!!
bantu jawabb!!!!!!!!
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340 = 1/2 x a x 40
340 = 20 x a
17 cm = a
17 cm
Penjelasan dengan langkah-langkah:
Luas = ½ × alas × tinggi
340 = ½ × alas × 40
340 = (½ × 40) × alas
340 = 20 × alas
alas =
alas =