זווית היקפית

נתון: o מרכז המעגל.


\[\begin{aligned} \measuredangleβ=25 \end{aligned}\]
\[\begin{aligned} \Downarrow \end{aligned}\]
\[\begin{aligned} \measuredangleα=\INPUTBOX{1}{ltr}{65} \end{aligned}\]

α ו-β נשענות על אותה הקשת.


\[\begin{aligned} \measuredangleβ=38 \end{aligned}\]
\[\begin{aligned} \Downarrow \end{aligned}\]
\[\begin{aligned} \measuredangleα=\INPUTBOX{1}{ltr}{76} \end{aligned}\]

נתון: o מרכז המעגל.


\[\begin{aligned} \measuredangleβ=120 \end{aligned}\]
\[\begin{aligned} \Downarrow \end{aligned}\]
\[\begin{aligned} \measuredangleα=\INPUTBOX{1}{ltr}{120} \end{aligned}\]

α ו-β נשענות על אותה הקשת.


\[\begin{aligned} \measuredangleα=10 \end{aligned}\]
\[\begin{aligned} \Downarrow \end{aligned}\]
\[\begin{aligned} \measuredangleβ=\INPUTBOX{1}{ltr}{20} \end{aligned}\]