Find the measure of angle BCA and angle BAC if the measure of angle B is 65°

assuming this is an isosceles triangle, I'd say they are both

(180-65)/2

To find the measure of angle BCA and angle BAC, we need to consider the properties of triangles and angles.

In triangle ABC, the sum of the angles is always 180°.

Given that angle B is 65°, we can set up the equation:

65° + angle BCA + angle BAC = 180°

To find the values of angle BCA and angle BAC, we need to solve for them.

Step 1: Subtract 65° from both sides of the equation:

angle BCA + angle BAC = 180° - 65°
angle BCA + angle BAC = 115°

So, angle BCA + angle BAC equals 115°.

Step 2: Since there are no further constraints or angles given, we cannot determine the exact measure of angle BCA and angle BAC individually. However, we can make some observations about these angles.

Since angle BCA and angle BAC are on the same side of the equation, we can say that they are complementary angles. This means that the sum of their measures is 90°.

Therefore, angle BCA and angle BAC can have any values that sum up to 115°, as long as they are complementary (their sum is 90°).

For example, angle BCA could be 45°, and angle BAC could be 70°, since 45° + 70° = 115°, and 45° + 70° = 90° (complementary).

In conclusion, the measure of angle BCA and angle BAC cannot be determined individually, but they can have any values that sum up to 115° and are complementary (their sum is 90°).