Question
\( \ln \triangle A B C, m \angle A=73^{\circ} ; m \angle B=41^{\circ} \) What is \( m \angle C \) ? Enter your answer in the box.
Ask by Bartlett Ross. in the United States
Mar 12,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
\( m \angle C = 66^\circ \)
Solution
To find the measure of angle \( C \) in triangle \( ABC \), we can use the fact that the sum of the angles in any triangle is always \( 180^\circ \).
Given:
- \( m \angle A = 73^\circ \)
- \( m \angle B = 41^\circ \)
We can set up the equation:
\[
m \angle A + m \angle B + m \angle C = 180^\circ
\]
Substituting the known values:
\[
73^\circ + 41^\circ + m \angle C = 180^\circ
\]
Now, we can calculate \( m \angle C \):
\[
m \angle C = 180^\circ - (73^\circ + 41^\circ)
\]
Calculating the sum of \( 73^\circ \) and \( 41^\circ \):
\[
73^\circ + 41^\circ = 114^\circ
\]
Now substituting back:
\[
m \angle C = 180^\circ - 114^\circ = 66^\circ
\]
Thus, the measure of angle \( C \) is:
\[
\boxed{66^\circ}
\]
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Bonus Knowledge
To find \( m \angle C \) in triangle \( ABC \), we can use the fact that the sum of the angles in a triangle is always \( 180^{\circ} \). Given that \( m \angle A = 73^{\circ} \) and \( m \angle B = 41^{\circ} \), we can calculate \( m \angle C \) as follows: \[ m \angle C = 180^{\circ} - m \angle A - m \angle B \] \[ m \angle C = 180^{\circ} - 73^{\circ} - 41^{\circ} \] \[ m \angle C = 180^{\circ} - 114^{\circ} \] \[ m \angle C = 66^{\circ} \] So, \( m \angle C = 66^{\circ} \).