click below
click below
Normal Size Small Size show me how
Algebra 1 Semester I
Know your equations and terms.
Term | Definition |
---|---|
AA Similarity | Two pairs of corresponding angles are the same on 2 triangles. The triangles are considered similar. |
Triangle Inequality | Relationships for the 3 lengths in order to form a triangle. |
Acute | Sum of squares of lengths of 2 shorter sides is greater than square of longest side. |
Obtuse | Sum of squares of lengths of 2 shorter sides is less than square of longest side. |
Right | Sum of squares of lengths of the two shorter sides is equal to square of longest side. |
Pythagorean Theorem Formula | (leg 1)²+(leg 2)²=(hypotenuse)² |
Real Number | Both rational and irrational number. |
Graph Associations (Types of) | Positive-Negative-None Linear-Non Linear Strong-Weak |
Area of Circle Formula | π×r² |
Area of a Square or Rectangle Formula | L×W |
Area of Triangle Formula | b×h÷2 |
Area of Trapezoid Formula | [(b¹+b²)÷2]h |