Question

В треугольнике авс известно что ав=вс,угол авс=122 градуса.найдите угол вса.ответ дайте в градусах

Answer 1

1) Т.к АВ = ВС, то тр. АВС - равнобедренный. 2) Сумма углов в треугольнике = 180 гр. => угол ВАС + угол ВСА = 180 - 122 = 58 гр. 3) угол ВСА = 58 : 2 = 29 гр. Ответ: угол ВСА = 29 гр.

Answer 2

Given Information:

In triangle ABC, it is known that AB = BC and angle ABC = 122 degrees. We need to find angle BCA.

Solution:

To find angle BCA, we can use the fact that the sum of the angles in a triangle is always 180 degrees. Since AB = BC, we can conclude that angle BAC = angle BCA.

Let's denote angle BCA as x. Since angle ABC is given as 122 degrees, we can write the equation:

angle BAC + angle ABC + angle BCA = 180 degrees

Substituting angle BAC with x, we get:

x + 122 + x = 180

Simplifying the equation:

2x + 122 = 180

Subtracting 122 from both sides:

2x = 180 - 122

2x = 58

Dividing both sides by 2:

x = 58 / 2

x = 29

Therefore, angle BCA is 29 degrees.

Answer:

The angle BCA in triangle ABC is 29 degrees.