In an isosceles triangle ABC, the height BD is 8cm, and the base of the AC is 12cm. Find the length of the side.
August 28, 2021 | education
| BDC triangle (angle D = 90 °).
DC = AC / 2
DC = 6
By the Pythagorean theorem, we find BC.
BC ^ 2 = BD ^ 2 + DC ^ 2
BC ^ 2 = 64 + 36
BC = 10
Answer: the side is 10 cm.
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.