Of a triangle, having three acute angles.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "acute-angled" in a sentence
""It can't be done," was Charley Drexel's quick judgment of youth, as the machine stopped and they surveyed the acute-angled turn on the stiff up-grade of Aliso."
"The hook, merely a hollow and acute-angled triangle of sheet-copper floating on"
"Squared fenders, a stout body, everything acute-angled off, vault-like, it was made to convey the impression of invincibility, of a moving fortress atop the upgraded shocks and suspension."