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Mathematics 13 Online
Gucchi:

geometry help!

Gucchi:

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Gucchi:

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Gucchi:

@jhonyy9

darkknight:

what you think so far?

Gucchi:

feel like A is one

darkknight:

Take the main triangle, and the 2 smaller triangles. With a series of rotations/flips you can make any of the 3 triangles similar

Gucchi:

A and B make sense

darkknight:

ill be back in 5 min hol up

Gucchi:

Also C

jhonyy9:

we dont know nothing about AD is perpendicular on BC or anything ?

Gucchi:

@jhonyy9 wrote:
we dont know nothing about AD is perpendicular on BC or anything ?
I dont think so

jhonyy9:

@gucchi wrote:
@jhonyy9 wrote:
we dont know nothing about AD is perpendicular on BC or anything ?
I dont think so
??? how ?

Gucchi:

waitt

Gucchi:

OHHH

Gucchi:

i see it now my bad

Gucchi:

it is perpendicular on BC

jhonyy9:

so than please mark it on this image bc. so how you posted it is very bad understand it

Gucchi:

mark which answer?

Gucchi:

so am i right with choice A, B, and C?

Gucchi:

@jhonyy9 are you still here?

jhonyy9:

@gucchi wrote:
so am i right with choice A, B, and C?
how every 3 ?

jhonyy9:

check please the relation between sides in case of the great triangle and one from these two smalls

Gucchi:

i am so confused what is the answer

jhonyy9:

look on the great triangle and triangle ADC great triangle and triangle ADB ABC is similar with ?

Gucchi:

A

@jhonyy9 wrote:
look on the great triangle and triangle ADC great triangle and triangle ADB ABC is similar with ?
Its similar with ADC and ADB

jhonyy9:

really ? look please the proportionality of sides

jhonyy9:

in case of ABC and ADB and ABC and ADC

Gucchi:

@jhonyy9 wrote:
really ? look please the proportionality of sides
its similar with CBA

Gucchi:

right?

jhonyy9:

in what case are proportionale ?

jhonyy9:

AD is aproximatly equale side BD in case of triangle ABD what mean this ?

jhonyy9:

in case of the great triangle how you see the proportionality of these two sides ? and how you see this proportionality ib case of triangle ADC ?

Gucchi:

@jhonyy9 wrote:
AD is aproximatly equale side BD in case of triangle ABD what mean this ?
they are proportional

jhonyy9:

|dw:1667766641171:dw|

Gucchi:

okay so A is incorrect

Gucchi:

B is correct

jhonyy9:

no i think you dont understand it again

jhonyy9:

try get what triangle is similar with great triangle using the proportionality of corresponding sides

Gucchi:

@jhonyy9 wrote:
try get what triangle is similar with great triangle using the proportionality of corresponding sides
OHHH okk

Gucchi:

wait so am i right wth A, C and D?

Gucchi:

@563blackghost

Gucchi:

@jhonyy9 are you here?

jhonyy9:

ok i will try make you understanding more easy look please on this image posted by you attached to this math problem there is great triangle ABC with right angle A and triangle ADB with right angle D and triangle ADC with right angle D in case of great triangle there is hypothenuse BC what correspond in triangle ADB to side AB and in triangle ADC to side AC little side of triangle ABC is AC what correspond in triangle ADC to little side DC but in triangle ADC the side AD is aproximatly equal side BD so from these what result ? the great triangle ABC is similar with what little triangle ? hope you understand it now the way how you need think it to solve this exercise

jhonyy9:

when you check these statements you need check how are these written bc. hope you know that for example when you write ABC similar CBD from this result angle A equal angle C ,angle B equal angle B and angle C equal angle D or in case of triangle ABC with right angle A so need correspond a right angle of D from smaller triangles this is very very important

jhonyy9:

@vocaloid please do you can explain it more easy understandably ? tysm

Gucchi:

okay i think understand.. can we do process of elimination?

Gucchi:

starting from choice A

Gucchi:

@jhonyy9 Choice A is correct, and choice B is incorrect

Gucchi:

choice C and Choice D seem correct

Gucchi:

Choice E is incorrect

jhonyy9:

just one can be correct how i ve saw it

Gucchi:

oh so why does it say "select all that apply"

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Gucchi:

are they tricking you on the question?

Gucchi:

@jhonyy9 wrote:
just one can be correct how i ve saw it
well in that case it would just be choice A right?

jhonyy9:

choice A look on the angles how is written ABD similar CBA looking on the angles seem true but the proportionality of corresponding sides not is true bc. in case of triangle ABD these two sides seem aproximatly equales when in case of great triangle AB is so longest than AC yes ? hope you see it

Gucchi:

@jhonyy9 wrote:
choice A look on the angles how is written ABD similar CBA looking on the angles seem true but the proportionality of corresponding sides not is true bc. in case of triangle ABD these two sides seem aproximatly equales when in case of great triangle AB is so longest than AC yes ? hope you see it
oh my god i did not realize that

Gucchi:

i mean how about choice C?

Gucchi:

wait @jhonyy9 i understand it now IM SO DUMB

jhonyy9:

in case of choice C the corresponding angles not are equal <B with <D for example

Gucchi:

the answer is E

Gucchi:

because AB ~ CA, BD ~ AD, and AD ~ BD

Gucchi:

@jhonyy9 wrote:
in case of choice C the corresponding angles not are equal <B with <D for example
thats true

jhonyy9:

you missed the side DC

Gucchi:

@jhonyy9 wrote:
you missed the side DC
oh yeah my fault i forgot about that one

jhonyy9:

@gucchi wrote:
because AB ~ CA, BD ~ AD, and AD ~ BD
here where is side DC ?

jhonyy9:

for choice E

Gucchi:

@jhonyy9 wrote:
for choice E
it would be DC ~ AD no?

Gucchi:

or AD ~ DC

Gucchi:

or am i wrong ?

jhonyy9:

past some 20 minutes you get the right answer but till i write to you that is correct you corrected it in wrong

jhonyy9:

@gucchi wrote:
or AD ~ DC
here AD is similar by it self AD not with DC

Gucchi:

is it DC ~ AC?

jhonyy9:

and BD not is similar DC like side

@gucchi wrote:
is it DC ~ AC?
in choice E where you see DC similar AC ? not possible

jhonyy9:

E . DAB sim DCA DC sim here AC how ?

jhonyy9:

check please choice D in this way hope so much that will help you understanding so easy

Gucchi:

@jhonyy9 wrote:
E . DAB sim DCA DC sim here AC how ?
its not DA ~ DC too because its similar by itself?

Gucchi:

@jhonyy9 wrote:
check please choice D in this way hope so much that will help you understanding so easy
checked both and it doesnt work out, the remaining answer is choice B

Gucchi:

choice B is the right answer

Gucchi:

@jhonyy9

Gucchi:

@timmyspu am i right with B here?

Timmyspu:

@gucchi wrote:
@timmyspu am i right with B here?
I would say you would be right from looking at what Jhonny9 said and dark said. Then you went through and you made sure you were right by making sure the other options were not correct. So I think you are right.

Gucchi:

@timmyspu wrote:
@gucchi wrote:
@timmyspu am i right with B here?
I would say you would be right from looking at what Jhonny9 said and dark said. Then you went through and you made sure you were right by making sure the other options were not correct. So I think you are right.
thank you for atleast answering, jhonyy said it was either between B, D, and E, so i looked at each of them and B made most sense to me

Timmyspu:

Then I would go with b because you did the process of elimination

Gucchi:

@timmyspu wrote:
Then I would go with b because you did the process of elimination
alright yeah, ill go with B thanks again

Timmyspu:

Your welcome!

Gucchi:

@jhonyy9 i also picked choice B over here.

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