| The three sides of a ____ triangle have different lengths. |
acute |
| An ____ angle is between 90 and 180 degrees. |
divisible |
| A number is divisible by 9 if the sum of its digits is ____ by 9. |
equilateral |
| The three angles of an ____ triangle are each 60 degrees. |
isosceles |
| A ____ angle is exactly 90 degrees. |
obtuse |
| Figures with the same shape but different sizes are ____. |
right |
| Only two sides of an ____ triangle are of equal length. |
scalene |
| An ____ angle is less than 90 degrees. |
similar |
