chapter 4

Question 1

which acronyms can be used to prove triangle congruence

Answer 1

sss, sas, hl, asa, aas

Question 2

sss

Answer 2

three sides are congruent

Question 3

sas

Answer 3

two sides and the included angle are congruent

Question 4

asa

Answer 4

two angles and the included side and congruent

Question 5

aas

Answer 5

two angles and a non included sides are congruent

Question 6

hl

Answer 6

if the hypotenuse and a leg are congruent to the hypotenuse and the leg of another triangle

Question 7

corresponding angles and sides on polygons

Answer 7

sides and angles that match up on congruent polygons

Question 8

acute angles in a rights triangle are always

Answer 8

complementary

Question 9

the measure of each angle sin an equiangular triangle is

Answer 9

60 degrees

Question 10

triangle sum thm

Answer 10

the sum of the interior angles in a triangle is 180 degrees

Question 11

exterior angle thm

Answer 11

the measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles

Question 12

how many types of triangles are there

Answer 12

7

Question 13

what are the angle measure triangles

Answer 13

4 of them: 
obtuse - one obtuse angle
acute - all acute angles 
right - one right angle 
equiangular - all equal angles

Question 14

what are the side length triangles

Answer 14

equilateral - three congruent sides
isosceles - two congruent sides
scalene - three different length sides

Question 15

cpctc

Answer 15

congruent parts of congruent triangles are congruent

Question 16

isosceles vertex angle

Answer 16

angle formed by the legs of a triangle

Question 17

isosceles base angles

Answer 17

two congruent angles adjacent to the base

Question 18

isosceles base

Answer 18

side opposite to the vertex angle

Question 19

isosceles legs

Answer 19

two congruent sides are always the legs on an isosceles triangle