Are these triangles congruent? If yes, which theorem proves it?

Point A(-5,-2) is rotated 90° about the origin. What are the coordinates of A' after this rotation?

Point A (5,-2) is reflected over the y-axis. What are the coordinates of A' after this reflection?

A circle has its center at (3,-2) and passes through the point (15,3). What is the equation of the circle?

For parallelogram JKLM, what is the value of x?

A stop sign is in the shape of a regular octagon. What is the sum of the interior angles of the Stop Sign?

An angle congruent to Angle QPR is constructed. Then segments QR and NM are drawn. Which segments are NOT necessarily equal in length? A. QR and NM B. PR and NM C. LM and PR D. PQ and LN

If angle 1 is congruent to angle 6, which lines, if any, are parallel?

In ▲ABC, angle B is an obtuse angle. Which side is the longest side of the triangle?

Erin draws a triangle showing the distances between Harrisburg, PA (H), New York (N), and Baltimore, MD (B). List the angles of the triangle in order from least to greatest.

A cylinder has a volume of 72π m³. The radius of the cylinder is doubled to create a new cylinder with the same height. What is the volume of the new cylinder? Your answer must be in π form.

What is the value of x?

For what value of x will ▲EFG ~ ▲ABC?