In an isosceles triangle, the apex angle is 70. What are the other angles?
| March 15, 2021 | education
Since the triangle ABC is isosceles with the base of the AC, the angles at the base of the AC are equal.
Angle BAC = BCA.
The sum of the interior angles of a triangle is 180. (BAC + BCA + ABC) = 180.
Then BAC = BCA = (180 – ABC) / 2 = (180 – 70) / 2 = 110/2 = 55.
Answer: The magnitude of the remaining angles is 55, 55
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