Question

need help will Fan and Medal

Answer 1

What is your question?

Answer 2

4 is prove

Answer 3

can you help me @GabeBae

Answer 4

4 is ASA

Answer 5

first we were given angle congruency and a side

Answer 6

and 5 is cpctc

Answer 7

then 3 they proved another angle congruency
so in 4 we have angle side angle gives two congruent triangles

Answer 8

and can u also help me with this one too?

Answer 9

well for 5 you have congruent triangle therefore all respective sides are congruent

Answer 10

so am i right then ?

Answer 11

what is cpctc?

Answer 12

sorry not familiar with this abreviation

Answer 13

Corresponding parts of congruent triangles are congruent

Answer 14

does that help?

Answer 15

yes good same as i said

Answer 16

thanks :)

Answer 17

ok so how about this one ?

Answer 18

okay for the next one 2
we know that all right angles are congruent 90 degrees

Answer 19

3 is given

Answer 20

ok so is that what i put ?

Answer 21

yea

Answer 22

4 DSH congruent to DST

Answer 23

angles of course

Answer 24

ok so 5 is ?

Answer 25

5 is SAS

Answer 26

ok yeah that makes sense...

Answer 27

no sorry
AAS

Answer 28

so i have two more i need help with

Answer 29

ok

Answer 30

here is the first one

Answer 31

Do you agree that we have isos triangle

Answer 32

yes

Answer 33

,not all of the sums of the angles are equal

Answer 34

good! do you agree that angles at the base are congruent

Answer 35

yes

Answer 36

then do you see that x+x+38=180

Answer 37

yes

Answer 38

so 2x=180-38

Answer 39

x=?

Answer 40

71?

Answer 41

correct

Answer 42

so is that my answer?

Answer 43

yes for sure! we started with recognizing two identical sides that told us we have isos triangle
then we employed the fact that isos triangles have two congruent angles at the base
then we used the fact of angles of a triangle 180
then it is reasonable what our solution is x=71

Answer 44

so last one ?

Answer 45

i know we have right angles

Answer 46

yes there are!
but i'm going to not look at as right triangles (drawing can deceive us )
first let's look at the big triangle

Answer 47

ok

Answer 48

we are given an isos triangle again

Answer 49

ok

Answer 50

sorry website crash
we are also given angle C=47
so B=47
then 47+47+2y=180

Answer 51

y=43

Answer 52

now focus on x
x+43+47=180

Answer 53

im looking at triangle ABD

Answer 54

so it is x=90 as we thought

Answer 55

ok

Answer 56

you can go with the fact angle bisector in isos triangle is perpendicular to the base

Answer 57

if you one a different method

Answer 58

ok

Answer 59

so x=90
then look for y

Answer 60

read about angle bisector