Question

an angle is equal to its supplement determine its measure

Answer 1

what is triangle formula

Answer 2

$\underline{\underline{\red{\huge\mathfrak{ANSWER:90}}}}$


$\textbf{EXPLAINATION}$


▶️=> Supplementary angles' sum always measure 180°


▶️=> CONSIDER the first angle as X


▶️=> Second angle is also X because both measure same as given in the question.


▶️=> X + X = 180


▶️=> 2X = 180


▶️=> X = 90


▶️Therefore the measure of the angle is 90°