Answer:
13. it says nearest whole number.
Step-by-step explanation:
The angles of a triangle always equal 180.
You do 180 - 80 - 45. X = 45.
There are 3 repeating digits in 0.536 because there are 3 numbers behind the decimal
Hi!
We can set up a proportion then cross multiply to solve this.

45 x 100 = 4500
4500/18 = 250
The answer is 250
Hope this helps! :)