In triangle ABC, angle C is 90 °, BC = 2, sinA = 0.4. Find AB.
| June 3, 2021 | education
1. In a right-angled triangle ABC, side AB is the hypotenuse, the leg BC is opposite the angle A, the sine of which is 0.4.
2. BC / AB = sine of angle A = 0.4.
AB = BC: 0.4 = 2: 0.4 = 5 units.
Answer: the length of the side AB of the triangle ABC is 5 units.
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.
