'Apothem' presentation slideshows

502 views • 29 slides

Areas of Regular Polygons Lesson 11.4 Geometry Honors

Areas of Regular Polygons Lesson 11.4 Geometry Honors. Objective: Know and use the formula for the areas of Regular Polygons. Lesson Focus. The focus of this lesson is on applying the formula for finding the area of a regular polygon. Areas of Regular Polygons. Theorem

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Area of a regular polygon

Area of a regular polygon. 11-4. Definition. Regular polygon- a polygon that has congruent sides and interior angles. Center of a regular polygon. The center of the circle that can be circumscribed about the polygon. Radius of regular polygon.

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10.3 and 10.5 Areas of Regular Polygons & Trigonometry and Area

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Finding the area of regular polygons

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Happy Monday!

253 views • 9 slides

11.4 Areas of regular polygons.

11.4 Areas of regular polygons. Central Angle ? Angle formed from center of polygon to consecutive vertices. Radius. Apothem ? Distance from center of polygon to side. Things to notice, all parts can be found using SOHCAHTOA. It is isosceles, so you can break up the triangle in half.

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Geometry/Trig 2 Name __________________________

Geometry/Trig 2 Name __________________________ 11-4 Worksheet Date _______________ Block ______. Directions: Find the area of each polygon described. Leave answers in radical form. 1) A regular triangle with perimeter 42in. 2) A square with apothem 4cm. 3) A square with radius 6ft.

105 views • 2 slides