A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing

This Question is Closed

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0Which statement must be true to prove that segment DE is parallel to segment CA?

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.04 : EA = 1 : DC 2 : DC = 5 : EA 3 : EA = 2 : DC 1 : DC = 2 : EA

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0@phi hopefully this will be the last question I need help with...

phi
 2 years ago
Best ResponseYou've already chosen the best response.0if DE is  to CA then the sides of the triangle are transversals dw:1359074409155:dw if the lines are parallel then the marked angles are equal "corresponding angles" of a transversal if the angles are all the same, the top little triangle is similar to the big triangle. that means you want the sides to be in proportion

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0okay,but how do we make the sides proportionate?

phi
 2 years ago
Best ResponseYou've already chosen the best response.0for example you can say the legs of the little triangle on top are in the ratio of 16/24 or simply 2/3 the legs of the big triangle are in the same ratio BC/BA but that isn't in any of the choices also, the segments, DC/EA are in proportion \[ \frac{2}{3} = \frac{DC}{EA} \] that looks promising but it's not in the same form as your choices we can reorder things, by first cross multiplying 2*EA = 3*DC now divide by EA : 2= DC * 3/EA divide by DC 2/DC = 3/EA

phi
 2 years ago
Best ResponseYou've already chosen the best response.0you can write 2/DC = 3/EA this way 2: DC = 3:EA or 3 : EA = 2 :DC

Sunshine447
 2 years ago
Best ResponseYou've already chosen the best response.0Oh my gosh @phi , I have no clue how, but you make it possible for me to understand math! Thanks sooooo much for ALL the help you've given me! :)
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.