And b = 60°Answer (1 of 3) How do I find the missing sides in special right triangles using the 30–60–90 rule?👉 Learn about the special right triangles A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90 Knowledge of the ratio o
30 60 90 Triangles P4 Kate S Math Lessons