Unit four

Question 1

Scalene

Answer 1

so sides are congruent

Question 2

Isosceles

Answer 2

exactly two sides are congruent can be 3

Question 3

equlateral

Answer 3

all sides are congruent

Question 4

obtuse

Answer 4

one angle is more than 90

Question 5

Right triangle

Answer 5

exactly one angle is equal to 90

Question 6

Acute triangle

Answer 6

all three angles are less than 90

Question 7

Equiangular

Answer 7

all the angles are congruent

Question 8

legs

Answer 8

the sides of the triangle opposite of the base angle

Question 9

CPCTC

Answer 9

Corresponding parts of congruent triangles are congruent

Question 10

Triangle Sum theorem

Answer 10

all angles in a triangle = 180

Question 11

Base angle therom

Answer 11

If the two base angles are congruent then the legs are congruent

Question 12

Converse of base angle theorem

Answer 12

If the two legs are congruent then the two base angles are congruent

Question 13

SSS

Answer 13

If you have two triangles in witch the three sides are congruent to each other then they are congruent to each other

Question 14

SAS

Answer 14

If you have two triangles with a pair of corresponding angles and two pairs of congruent sides

Question 15

ASA

Answer 15

If you have two triangles with a pair of corresponding congruent angles corresponding congruent sides and another pair of corresponding congruent angles you can say they are congruent

Question 16

AAS

Answer 16

A pair of corresponding congruent angles a second pair of corresponding congruent angles a pair of corresponding congruent sides you can say they are both congruent to each other

Question 17

HL

Answer 17

Right triangles only.
If the hypotenuse in both right triangles are congruent and if a leg are congruent then you can say the triangles are congruent, you typically want to say something about the right angle.