| An ____ angle is between 90 and 180 degrees. |
acute |
| The three sides of a ____ triangle have different lengths. |
equilateral |
| The three angles of an ____ triangle are each 60 degrees. |
improper |
| An ____ angle is less than 90 degrees. |
isosceles |
| Only two sides of an ____ triangle are of equal length. |
mixed |
| A ____ number contains a whole number and a fraction. |
obtuse |
| Examples of ____ fractions are 3/2, 5/3, and 9/4. |
right |
| A ____ angle is exactly 90 degrees. |
scalene |
