81, 84 and 87. And 90 if you want to count that
There are 3 such numbers: 30, 60, 90.
81, 84, 87.
18, 36, 54, 72, 90
False because angles greater than 0 but less than 90 degrees are acute angles
81,84,87,90
Nine.
66, 72, 78, 84, 90, 96.
81, 84 and 87. And 90 if you want to count that
There are 3 such numbers: 30, 60, 90.
1, 2, 3, 4
81, 84, 87.
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
81, 84, 87.
The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.
Sure thing, honey. The multiples of 9 greater than 80 and less than 90 are 81 and 90. Now, I know you said less than 90, but 90 is technically a multiple of 9, so I'm throwing it in there just to spice things up a bit. You're welcome.
This is a triangle in which all of the angles are less than 90°.