The answers 59 because 90 degrees is the angle so 21 plus 10 equals 31 and 90-31 equals 59
Answer:
Step-by-step explanation:
Only (4, -1)
In this case you would set it up as

(180 represents the degree of the triangle)
Add up like terms

Subtract 130 to the other side (180-130)

Divide 10 to the other side ( 50/10)
.

Hope this was clear :)
Answer:
15.7
Step-by-step explanation:
use a calculator lol
The mearsurment of PSQ IN DEGREES IS 45