Answer:

Step-by-step explanation:
The sum of the interior angles of a triangle add up to
. Therefore, an equiangular triangle will have each of its angles equal to
. We can then set up the following equation:
.
11. 1/81
12. 1/512
13. 1/81
14. 1/125
17. 1/72
18. 189/625
Answer:
a: about 800? nonfiction books in valley
b: valley and central has more fiction than nonfiction books
c: there's probably about 2600 books in hillside
Step-by-step explanation:
Answer:
x+3-5 i think
Step-by-step explanation:
"and" means add so x+3 and subtract 5
Answer:
15 yards
Step-by-step explanation:
proportion:
2/5:6/X
2x=30
x=15