First you want to simplify it to be 51/10 then find out how many to percentage so 10\10 5 times is 500 plus one is 501 broken in percent is 51 over ten so 5.1 decimal 510 percent
I think they down graded it by 1080.Hope this helps. :)
Answer:
c
Step-by-step explanation:
angles in a triangle r equal to 180
180-90-65 is equal to 25
and 1 is 90 degree