Across
- 2. finding the value of one variable and replacing it in the second equation.
- 4. en equation which is true for all values of the variables involved
- 7. An example of this is the root of 2
- 9. When 1 angle of a triangle is 90 degrees
- 10. numbers of identities used to find congruence
- 12. finding two of more equations whose product is the given equation.
- 13. the property of being equal in all aspects
Down
- 1. divide into two exactly equal parts
- 3. Two triangles are congruent if two sides and the included angle are equal.
- 5. the money borrowed or lent
- 6. extending along a straight line
- 8. 1,2 and 3 are all examples of ___ number
- 11. When two sides of a triangle are equal