Across
- 2. Any shape that is made up of two or more geometric shapes
- 3. The outer boundary, especially of a circular area; perimeter
- 4. Mathematics of a relating to 2 numbers related by a congruence
- 6. Those angles that sum up to 180 degrees
- 8. Either of 2 angles having a common side and a common vertex
Down
- 1. When the sum of two angles is 90 degrees
- 5. The angles that lie opposite to each other
- 7. An irrational number that has a numerical value of 3.14 and is expressed by π