Lesson 10-4 Pages 513-517 Quadrilaterals Lesson Check 10-3.

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Presentation transcript:

Lesson 10-4 Pages Quadrilaterals Lesson Check 10-3

What you will learn! How to find missing angle measures of quadrilaterals and classify quadrilaterals.

Quadrilateral

What you really need to know! A quadrilateral is a closed figure with four sides and four vertices. Squares, rectangles, and trapezoids are examples of quadrilaterals.

What you really need to know! The sum of the angles of a quadrilateral is 360°.

Example 1: Find the value of x. Then find each missing angel measure.

Example 1: 4x x + 75 = 3605x = 3605x = 175 x = ° 35°

Example 2: Classify each quadrilateral using the name that best describes it. Trapezoid Parallelogram Square

Page 515 Guided Practice #’s 3-7

Pages with someone at home and study examples! Read:

Homework: Pages #’s 8-13, 16-21, 23-26, 31, 32, Practice Quiz 1 #’s 1-5 Lesson Check 10-4

Page 748 Lesson 10-4

Lesson Check 10-4

Prepare for Mid-Test! Pages #’s 1-21 Odd Answers in Back of Book!