If the measure of arc QS is $4x-18$ degrees and arc QS is a semicircle, what is the value of $x$?

Given a right triangle with angle $LJK$ at vertex $J$, which equation can be used to find the measure of angle $LJK$ if the length of the side opposite $LJK$ is $a$ and the hypotenuse is $c$?

In circle O, if arc AB measures $48°$, what is the measure of angle CAB, where C is a point on the circle such that angle CAB is an inscribed angle that intercepts arc AB?

In a right triangle, if one of the acute angles measures $62°$, what is the measure of the other acute angle?

Which pair of angles is supplementary in a right triangle?

In right triangle $JKM$, if angle $K$ is the right angle, which of the following correctly expresses $sinJ$ in terms of the side lengths?

Which of the following best describes the difference between a $\mathrm{tangent}$ and a $\mathrm{chord}$ in a $\mathrm{circle}$?

Given a right triangle with angle $\mathrm{FGE}$ and the side opposite to $\mathrm{FGE}$ has length $a$, the side adjacent to $\mathrm{FGE}$ has length $b$, and the hypotenuse has length $c$, which equation can be used to find the measure of angle $\mathrm{FGE}$?

In a right triangle, if the length of the adjacent side to angle $x$ is $5$ units and the hypotenuse is $13$ units, what is the value of $\cos \left(x\right)$?