Across
- 3. the branch of mathematics involving the measuring of shapes
- 4. to divide into two equal parts
- 6. a limestone rock with crystals inside
- 8. strength to bear misfortune
- 10. a large muscle at the back of the upper arm
- 11. to make strong or secure
- 12. a conscious putting forth of energy
Down
- 1. a vehicle with two wheels
- 2. the study of earth through rocks
- 4. field glasses
- 5. a permanent stronghold for defense
- 7. occurring every two years or lasting for two years
- 9. a three sided figure