An operation that moves or changes a geometric figure in some way to produce a new figure
A triangle with three congruent sides
Figures where all parts of one figure are congruent to the corresponding parts of the other figure.
The side opposite the right angle in a right triangle. It is the longest side.
A transformation that uses a line of reflection to create a mirror image of the original figure
A transformation that turns a figure about a fixed point called the center of rotation
A triangle with no congruent sides.
A triangle with three acute angles
A transformation that moves every point of a figure the same distance in the same direction
A triangle with one right angle
The angle formed by the legs in an isosceles triangle
A statement that can be easily proven using a theorem
Postulate used to prove triangles are congruent if all 3 sets of corresponding sides are congruent.
Postulate used to prove triangles are congruent if 2 sets of corresponding sides and their included angles are congruent.
Postulate used to prove right triangles are congruent if the hypotenuse and a leg of one right triangle are congruent to the corresponding parts of another right triangle
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.