Corner B – straight, AB = 30 mm, BC = 20 mm. Extend triangle ABC to a rectangle.
| December 17, 2020 | education
Corner B – straight, AB = 30 mm, BC = 20 mm. Extend triangle ABC to a rectangle. Find the area of this rectangle. What is the area of triangle ABC?
You finish building a triangle to a rectangle:
Direct AD || BC, AD = 20 mm;
Direct CD || AB, CD = 30mm;
The area of the rectangle will be:
Sabcd = BC * AB = 30 * 20 = 600 (mm ^ 2)
The area of triangle ABC will be equal to:
Sabc = Sabcd / 2 = 600/2 = 300 (mm ^ 2)
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.
