Answer:
The perimeter is 52
Step-by-step explanation:
Just add all the numbers together
13 + 9 + 3 + 7 + 5 + 15 = 22 + 10 + 20 = 32 + 20 = 52
A^2 + b^2 = c^2
( use Pythagorean theorem)
8^2+17^2=c^2
cos ? = 5/9
cos ^-1 = about 56.25
Answer:
Opposite 12= -12
Absolute value of 12: Just -12.
Step-by-step explanation:
I don't know.
