REVIEW: Pythagorean Theorem

*Use the Pythagorean Theorem to find each indicated length.

1. AC =12, BC = 5, AB = ?2. AC = 5, BC = 5, AB = ?3. AB = 4√3, BC = 2√3, AC =?

A

C B

REVIEW: Distance Formula

*Find the distance between each of the pairs of points.

4. A(-5,4); B(3,-2)5. C(-2,3); D(-4,-1)6. K(4,-4); L(-10,3)

*For each of the rotations find the degree measure of the angle and then sketch the angle in standard position.

7. ¼ clockwise rotation8. ½ clockwise rotation9. 1/6 counterclockwise rotation10. 3/8 counterclockwise rotation11. 19/12 counterclockwise rotation12. 7/5 clockwise rotation

REVIEW: Rotations

TRIGONOMETRY NOTES

Angle Relationships

Vertical Angles

For any two lines that meet, such as in the diagram below, angle AEB and angle DEC are called vertical angles.

Angle BEC and angle AED are also vertical angles.

Vertical angles have the same degree measurement.                                    

Vertical Angles

Angle Sum of a Triangle

Types of Triangles ANGLES SIDES Acute Triangle Equilateral Triangle

Obtuse Triangle Isosceles Triangle

Right Triangle Scalene Triangle

Similar Triangles

Homework

Pg. 7-9# 2, 4, 14, 16, 89, 90, 103, 107, 111

Pg. 16-19# 1, 3, 5, 25-27, 41, 46, 53