question_answer

Which of the following are 2 of the 3 interior angle measurements of a triangle for which the 3rd angle is the same as one of the two given measurements?

A) \[20{}^\circ ,\text{ }40{}^\circ \]

B) \[40{}^\circ ,\text{ }30{}^\circ \]

C) \[100{}^\circ ,\text{ }40{}^\circ \]

D) \[50{}^\circ ,\text{ }60{}^\circ \]