In right-angled triangle ABC: angle A = 55 degrees, angle C = 90 degrees find angle B.
| November 27, 2020 | education
The sum of all the angles of a triangle is 180 degrees.
∠A + ∠B + ∠C = 180 °
∠B = 180 ° – (∠A + ∠C)
∠B = 180 ° – (55 ° + 90 °)
∠B = 35 °
Answer: 35 °
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.
