Question

Could anybody help? Really in need of it. Attachment below. Will medal, fan, and follow on any social media!!!

Answer 1

Hi ! Think you have no problem in question a so let's directly solve b !

Answer 2

Do you know Pythagorean theorem ?

Answer 3

Yes, I kind of do. @M.Mahdi

Answer 4

Wait a min plz :)

Answer 5

okay. look at the attached file, we have two triangles in your question's shape

Answer 6

according to the Pythagorean theorem in any right triangle \[a^2+b^2=c^2\]

see this : http://www.johncmccloskey.com/wp-content/uploads/2015/03/Pythagorean-Theorem.jpg

Answer 7

Is it trying to prove that bcf is congruent to edc???

Answer 8

not congruent but equal

Answer 9

is there a problem with it ?

Answer 10

Thank you!! I'm confused on the first question though. Could you help?? @M.Mahdi

Answer 11

so you understood how to prove b ?

Answer 12

actually i don't understand what question a wants exactly :/
maybe it's my problem ! because English is not my first language :)

Answer 13

@M.Mahdi Could you help me with some other questions? It's the same thing but just other questions :)

Answer 14

yes ask it :)

Answer 15

@M.Mahdi

Answer 16

well ... DE and BC both are Perpendicular to CD so they are Parallel with each other

Answer 17

you can show it in the shape . do you know Parallel symbol ?