Congruence And Similarity

Question 1

Vertical angle theorem

Answer 1

Vertical angles, angles that are opposite each other formed by two intersecting straight lines are congruent.

Question 2

Definition of midpoint

Answer 2

Middle of a line segment, equidistant from both end points.

Question 3

Triangle congruent postulates

Answer 3

SAS, ASA, ASA and an extra is AAS

Question 4

HA theorem

Answer 4

If the hypotenuse and an acute angle of one right triangle are congruent to they hypotenuse and an acute angle of another right triangle, then they are congruent.

Question 5

HL Theorem

Answer 5

If the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.

Question 6

Similar triangles

Answer 6

Congruent corresponding angles, and if that’s the case then the side lengths are proportional.

Question 7

Triangle Similarity theorems

Answer 7

Angle angle similarity, side angle side similarity, side side side similarity.

Question 8

Similar polygons

Answer 8

A similar polygon is when the shape is the exact same but there’s a difference in size.