A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
In the figure shown, ∠ABF=∠CBF, AB=11", AD=3", EC=4", and BF=10". Find the area of ΔABC.
anonymous
 one year ago
In the figure shown, ∠ABF=∠CBF, AB=11", AD=3", EC=4", and BF=10". Find the area of ΔABC.

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436683918388:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.2dw:1436684090522:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Wouldn't BE=7" instead of 8"?

triciaal
 one year ago
Best ResponseYou've already chosen the best response.2I was thinking that since the angle was bisected so ABC would be isosceles but changed using triangle FDB and FEB then stopped not sure

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436685144499:dw

triciaal
 one year ago
Best ResponseYou've already chosen the best response.2thinking we can use (1/2)(11)(6) for area of ABF agree AF = 3 rt 5 same as FC

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436685510443:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0\(\dfrac{11}{3 \sqrt 5} = \dfrac{12}{FC} \) \(FC = \dfrac{36 \sqrt 5}{11} \)

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436686267192:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Add AF and FC to find the length of side AC. Then using the lengths of sides AB, AC, and BC, use Heron's formula to find the area.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I would like to let you guys know my textbook said the answer to this problem was: Area = 69 in^2. I believe AC= 13.8

triciaal
 one year ago
Best ResponseYou've already chosen the best response.2dw:1436686473404:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436686587186:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436686608952:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436686654476:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0\(\dfrac{11 (6)}{2} + \dfrac{12(6)}{2} =69\)

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0The problem with this figure is that the lengths of the sides do not work out. If the other given dimensions are correct, EC cannot be 4.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0:D Thank you so much! I have never thought of 6 as the height of both triangles. This makes so much sense now. Thank you very much @mathstudent55 @triciaal

triciaal
 one year ago
Best ResponseYou've already chosen the best response.2you are welcome pythagorean (3,4,5) factor 2 = (6, 8, 10) FDB
Ask your own question
Sign UpFind 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.