What is one sixth of right angle as a degree measure

A right angle has 90 degrees, so 90 divided by 6 = 15 degrees

A right angle is 90 degrees, so we need to know what is 1/6 of 90 degrees... in math

"of" means x
"is" means =

What IS 1/6 OF 90
? = 1/6 x 90
? = 90/6 = 15
? = 15

So 1/6 of 90 degrees is 15 degrees.