99, 108, 117, 126, 135, 144, 153, 162, 171, 180, 189, 198, 207, 216, 225, 234, 243, 252, . . .
72
81,84,87,90
Nine.
81, 84 and 87. And 90 if you want to count that
66, 72, 78, 84, 90, 96.
81, 84, 87.
50, 60, 70, 80, 90
81 84 87
All the angles in an octagon are obtuse. (Obtuse means greater than 90 degrees.)
Common multiples of 9 and 10 are all of the multiples of 90.
A multiple of 9 is any number which can be divided by 9, leaving no remainder. Thus, 18, 90, 9,000,000 are multiples of 9 greater than zero. Get it ?
All of them