'Circumscribed circle' diaporamas de présentation

Inverse Variation

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Classic Constructions

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11.1 Areas of rectangles

11.1 Areas of rectangles. Postulates. The area of a square is the square of the length of a side. (A = s 2 ) If two figures are congruent, then they have the same area. s. s. Postulates. The area of a region is the sum of the areas of its non-overlapping parts. D. B. C. A. I. II.

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Chapter 5

Chapter 5 . 5-2 Bisectors of angles . Objectives . Prove and apply properties of perpendicular bisectors of a triangle. Prove and apply properties of angle bisectors of a triangle. Point of concurrency .

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Chapter 14

Chapter 14. by Julia Duffy and Evan Ribaudo. Lesson 1 . Vocabulary: Regular polygon- convex polygon that is both equilateral and equiangular Reminder: convex polygon means for each pair of points inside the polygon, the line segment connecting them lies entirely inside the polygon

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Chapter 5: Relationships within Triangles

Chapter 5: Relationships within Triangles. 5.3 Concurrent Lines, Medians, and Altitudes. Activity. I will give you a triangle (acute, obtuse, or right) and a ruler. Fold the triangles to create the angle bisectors of each angle of the triangle. What do you see about the angle bisectors?

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Chapter 11 Areas of Polygons and Circles

Find the area of a regular polygon. Find the area of an equilateral triangle. Chapter 11 Areas of Polygons and Circles. Section 11.2 Area of Regular Polygons. Lesson 1 Contents. Example 1 Area Equilateral Triangle Example 2 Area Regular Pentagon Example 3 Area Regular Octagon

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Scholarly Artistic Geometric Scrapbook

Scholarly Artistic Geometric Scrapbook. Amanda Austin 7 th Hour 4 January 2012 . Table of Contents. 3-Parallel Lines 4-Two Congruent Objects 5-Vertical Angles 6-Perpendicular Lines 7-Intersecting Lines 8-Supplementary Angles 9-Corresponding Angles. 10-Adjacent 11-Obtuse Angle

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Prove and apply properties of perpendicular bisectors of a triangle.

Objectives. Prove and apply properties of perpendicular bisectors of a triangle. Prove and apply properties of angle bisectors of a triangle. Vocabulary. concurrent point of concurrency circumcenter of a triangle circumscribed incenter of a triangle inscribed. Helpful Hint.

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Prove and apply properties of angle bisectors and perpendicular bisectors of a triangle.

Objectives. Prove and apply properties of angle bisectors and perpendicular bisectors of a triangle. The circumcenter can be inside the triangle, outside the triangle, or on the triangle.

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Apply properties of perpendicular bisectors and angle bisectors of a triangle.

Objectives. Apply properties of perpendicular bisectors and angle bisectors of a triangle. The circumcenter can be inside the triangle, outside the triangle, or on the triangle.

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10-3 Areas of Regular Polygons

10-3 Areas of Regular Polygons. Definitions. Center of a regular polygon ? the center of the circumscribed circle. Radius of a regular polygon ? the distance from the center to a vertex. All radii of a figure are congruent.

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12. 8.25 23. 38 13. 26.5 24. 72 14. 53 25. 38 15. 1.3 26. 24

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10.3 Areas of Regular Polygons

10.3 Areas of Regular Polygons. Essential Question: How do you find the area of a regular polygon?. You can circumscribe a circle about any regular polygon. The center of a regular polygon is the center of the circumscribed circle. Radius : distance from the center to a vertex.

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9.4 Areas of Regular Polygons

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Station 1

Station 1. MONUMENTS The Leaning Tower of Pisa in Italy is about 55.9 meters tall and is leaning so it is only about 55 meters above the ground. At what angle is the tower leaning?. Station 2.

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