If Jiri is x, Pamela is x -5, and tehri ages combined would be 35 so;
x + x-5 = 35
collect the like terms
2x-5 = 35
add five to both sides
2x= 40
divide both sides by 2
x=20
Jiri's age is 20
The answer is 2 jdjjdbfhdjwjwjfhxjsjjwkekdk
Co-terminal angle = 456 - 360 = 96 degrees