triangle proofs

Question 1

two triangles are congruent if …

Answer 1

all corresponding sides are the same length, and if all corresponding angles have the same measure

Question 2

SSS

Answer 2

when two triangles have three corresponding sets of sides congruent

Question 3

SAS

Answer 3

when two triangles have two pairs of sides congruent and the angles between them are congruent

Question 4

ASA

Answer 4

when two triangles have two pairs of angles congruent and the sides between them are congruent

Question 5

AAS

Answer 5

when two triangles have two pairs of angles congruent and the sides between them are not congruent

Question 6

HL

Answer 6

when two right triangles have congruent hypotenuses and a pair of congruent legs

Question 7

midpoint concept

Answer 7

• the middle point of a line segment
• it is equidistant from both endpoints
• it bisects the segment

Question 8

bisector concept

Answer 8

a line that cuts an angle or line segment into two equal parts

Question 9

CPCTC

Answer 9

• corresponding parts of congruent triangles are congruent

Question 10

reflexive poropety

Answer 10

example: — is congruent to —-

RN RN