The median AM is drawn in an isosceles triangle ABC with base BC. Find ∠CAM if ∠ABC = 70.

univerkov | July 2, 2021 | education

Since triangle ABC is isosceles, the median AM is the bisector of the angle BAC, the value of which will be (the sum of the angles of the triangle is 180 °):

BAC = 180 ° – 2 * 70 ° = 40 °.

Then:

CAM = 1/2 * BAC = 1/2 * 40 = 20 °.

Answer: The desired value for the CAM angle is 20 °.

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