90 increased by 80 percent of itself is 162.
Itself and any of its multiples
A right angle which is 90 degrees
Yes
obviously, its highest common factor is the number itself. so the answer here is 90.
90 x 90 = 8,100
The number is the square root of 90
It is: 90%
90 increased by 80 percent of itself is 162.
No. In fact, every number counting by 90, including 90 itself, is composite.
the answer is 9.487
Every 90 minutes.
Itself but if you mean 15 and 18 then it is 90
It is: 45
Itself and any of its multiples
A right angle which is 90 degrees
Yes