In a right triangle, you know the side adjacent to an angle and the hypotenuse. Which ratio gives the angle?

$\cos^{-1}$ of adjacent over hypotenuse

NY Regents Geometry similarity, trigonometry, and circles quiz quiz

12questions. Pick an answer and you'll see why right away.

A figure is dilated by a scale factor of 3. A side of length 8 becomes
Two triangles each have angles measuring 50 and 65 degrees. The triangles are
In a right triangle, you know the side adjacent to an angle and the hypotenuse. Which ratio gives the angle?
If $\sin 35^\circ = \cos x$ , then $x$ equals
An inscribed angle in a circle intercepts an arc of 96 degrees. The inscribed angle measures
An angle inscribed in a semicircle is always
What is the center of the circle $(x - 2)^2 + (y + 7)^2 = 16$ ?
Two lines are perpendicular. One has slope $\frac{3}{4}$ . The other has slope
The point that partitions the directed segment from $A(0, 0)$ to $B(12, 8)$ in the ratio $1:3$ is
What is the volume of a cone with radius 3 and height 9, in terms of $\pi$ ?
What solid is formed when a rectangle is rotated about one of its sides?
A solid has volume 50 cubic meters and a material density of 200 kg per cubic meter. Its mass is