Across
- 3. two angles are adjacent if they have a common side and a common vertex.
- 4. the amount of money borrowed or invested, on which interest is calculated.
- 8. subtracting a given percentage of a value from the original value.
- 12. When the sides are the same lengths
- 13. Two angles are called congruent angles if they have the exact same measure.
- 16. each of the pairs of opposite angles made by two intersecting lines.
- 17. an enlarged or reduced drawing that is proportional to the original object.
- 19. the difference between estimated value and the actual value in comparison to the actual value and is expressed as a percentage
- 20. a technique used to calculate the proportion of interest paid on a sum over a set time period at a set rate.
Down
- 1. two angles whose sum is 90 degrees.
- 2. a rule used to count the total number of possible outcomes in a situation.
- 5. Two angles that add to 180 degrees
- 6. Reduction of something on sale
- 7. what we expect to happen
- 9. the probability of an event actually happening.
- 10. the amount added to the cost price of goods to cover overhead and profit.
- 11. the ratio of corresponding sides on two similar figures.
- 14. the difference between the final value and the initial value, expressed in the form of a percentage
- 15. money paid regularly at a particular rate for the use of money lent, or for delaying the repayment of a debt.
- 18. the amount of space covering the outside of a three-dimensional shape.