The base side of a regular triangular prism is 6 cm, and the side edge is 11 cm. Find the full surface of the prism.

univerkov | November 29, 2020 | education

Base area: Ao = 1/2 * a ^ 2 * sin 60 ° => Ao = 1/2 * 6 ^ 2 * √ (3) / 2 = 9 * √ (3) cm Side area: Ab = 3 * a * h => Ab = 3 * 6 * 11 = 198 cm Full surface: A = 2 * Ao + Ab => A = 18 * √ (3) +198 cm. Answer: 198 + 18 * √ (3). * √-root a – base side h – lateral edge.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.