If two diameters of a $\mathrm{circle}$ intersect to form an $\mathrm{angle}$ at the center, what is the measure of the $\mathrm{angle}$ formed between them?

Given two adjacent angles $\angle \mathrm{DEA}$ and $\angle \mathrm{AEB}$ that together form a straight angle, what is the numerical sum of their degree measures?

If an angle $\mathrm{jhn}$ is in standard position and its terminal side passes through the point $(3,4)$ on the coordinate plane, what is the measure of $\mathrm{jhn}$ in degrees?

If an angle $k$ in standard position has its terminal side passing through the point $(0,1)$ on the unit circle, what is the measure of angle $k$ in degrees?

If an angle $\mathrm{jhn}$ is in standard position and its terminal side passes through the point $\left(1,1\right)$, what is the measure of $\mathrm{jhn}$ in degrees?

If an angle $\theta$ is in standard position and its terminal side passes through the point $(1,1)$ on the coordinate plane, what is the measure of $\theta$ in degrees?

If an angle in standard position has its terminal side passing through the point $(0,1)$ on the unit circle, what is the measure of the angle in $°$?

Rectangle $JKML$ is rotated clockwise around point $P$ so that it maps onto itself. What is the smallest positive angle of rotation that will accomplish this?

If an angle in standard position has its terminal side passing through the point $\left(0,,,1\right)$ on the unit circle, what is the measure of the angle in $degres$?