given that ABCD is a rhombus, what is the value of x?

(picture) https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-ash4/1002479_630294066990532_1786368647_n.jpg

plz give me the best answer.

Question

given that ABCD is a rhombus, what is the value of x?

(picture) https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-ash4/1002479_630294066990532_1786368647_n.jpg

plz give me the best answer.

anonymous · Answer

plz help me. i don't want to fail this again.

anonymous · Answer

For a rhombus,Diagonals are perpendicular

anonymous · Answer

could you just give me the answer? plz

anonymous · Answer

so the other angle in this small triangle is 90 degree

anonymous · Answer

total sum of angles =180 ---->x+(3x+7)=90

anonymous · Answer

4x+7=90 ---->X=20.75=B

anonymous · Answer

okay??:D

anonymous · Answer

thank you so much. you're smart. :)

anonymous · Answer

You are welcome :)