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Mathematics 14 Online
OpenStudy (anonymous):

HEEEEELLLLLLLLLPPPPPPPPPP

OpenStudy (anonymous):

I need help with geometry is anyone available

OpenStudy (loser66):

can't be sure until seeing the problem

OpenStudy (anonymous):

ok hold on

OpenStudy (anonymous):

In ΔDEF shown below, segment DG is an altitude. What statement is needed to prove that ΔDEF is similar to ΔGED? Segment EF is a hypotenuse. Angle E is congruent to itself. Segment ED is shorter than segment EF. Segment EF is intersected by segment DG.

OpenStudy (loser66):

cn't open the link

OpenStudy (anonymous):

hold on a sec

OpenStudy (anonymous):

OpenStudy (anonymous):

im guessing its B to make it similar

OpenStudy (loser66):

how to say!! hihihi... all right triangles are similar. They are!!

OpenStudy (anonymous):

?

OpenStudy (anonymous):

They are right angle triangles therefore through Pythagoras theorem, they are similar

OpenStudy (loser66):

now, I just switch a little bit \(\triangle FDE \) similar to \(\triangle DGE\) because they are right triangles. now just change the order of the names

OpenStudy (anonymous):

but out of the 4 statements which one would you choose

OpenStudy (loser66):

the first one.

OpenStudy (loser66):

Why? because "hypotenuse" implies the triangle is right triangle. They don't use hypotenuse on the regular triangles

OpenStudy (anonymous):

Choose "Segment EF is a hypotenuse."

OpenStudy (anonymous):

ok

OpenStudy (loser66):

and we have "DG is an altitude" is a proof of another right triangle

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