All things algebra triangle angle sum theorem

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid