jonahneedshelp2121:
here is the new one
jonahneedshelp2121:
need alll the help i can get on this one
minustempo:
So triangles are similar if all their angles are equal. Can you find two triangles with this property?
jonahneedshelp2121:
hmm
jonahneedshelp2121:
c and e?
minustempo:
how did you get that?
jonahneedshelp2121:
c and e look like the same angles
minustempo:
You need to actually solve for it you can't guestimate in geometry. Hint: angle CBG and angle EBP are equal since vertical angles are congruent.
jonahneedshelp2121:
hmm ok
jonahneedshelp2121:
so i can put
jonahneedshelp2121:
give me a sec
jonahneedshelp2121:
Part A angle CBG and angle EBP are equal since vertical angles are congruent.
jonahneedshelp2121:
is that all i need for part a?
jonahneedshelp2121:
oh wait
jonahneedshelp2121:
that answers 2 parts
jonahneedshelp2121:
right?
minustempo:
No because knowing that 1 pair of angles are the same doesn't mean the triangles are similar 2 angles (which results in 3) must be congruent
minustempo:
Hint 2: alternate interior angles are equal
jonahneedshelp2121:
lol now i am confused lol
minustempo:
Two triangles are similar if 3 angles are equal But if you find two angles of a triangle, you know the third, so if 2 angles are the same, then the two triangles are similar.
minustempo:
You already know the vertical angles are equal, so you've found one pair. Now you just need a second pair.
jonahneedshelp2121:
ok
jonahneedshelp2121:
p and g
minustempo:
And how did you get that?
jonahneedshelp2121:
becuas ethey are the same angle
minustempo:
how do you know that?
jonahneedshelp2121:
lol they look the same XD
minustempo:
lmao don't do that. Hint 2 again: alternate interior angles are equal
jonahneedshelp2121:
how do i know that they the same?
minustempo:
it's a theorem
minustempo:
Look for parallel sides and a transversal
jonahneedshelp2121:
what what is next to get part a done?
minustempo:
find a pair of similar triangles you need another pair of congruent angles
jonahneedshelp2121:
i thought i said p and g
minustempo:
they're not congruent XD
jonahneedshelp2121:
sorry for being such a pain i don't like or understand geometry
jonahneedshelp2121:
does b and b work?
jonahneedshelp2121:
e and r
minustempo:
yes but those are the vertical angles we talked about already
jonahneedshelp2121:
what else is left? e and r?
jonahneedshelp2121:
oh e and p
minustempo:
angle BEP and angle BPE are in the same triangle
jonahneedshelp2121:
oh
minustempo:
CG and EP are parallel, GE is the transversal. Based on this and that alternate interior angles are equal, it should be easy to find them.
jonahneedshelp2121:
oh ok soooo
jonahneedshelp2121:
oh wat a sec
jonahneedshelp2121:
The pair of similar triangles in the figure are ΔCG and ΔEP
minustempo:
triangles have three points, bro
jonahneedshelp2121:
i thought we only needed two
jonahneedshelp2121:
my bad again
jonahneedshelp2121:
The pair of similar triangles in the figure are ΔCBG and ΔEPB
jonahneedshelp2121:
that right?
jonahneedshelp2121:
jonahneedshelp2121:
The pair of similar triangles in the figure are ΔCBG and ΔEPB
jonahneedshelp2121:
anyone?
jonahneedshelp2121:
i really need help with this ):
minustempo:
yes those are the similar triangles
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