10.2 Area of a Triangle

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1 10.2 Area of a Triangle Objective: Find the area of a triangle. Mr. Williams GESD [email protected] Image: 'Orange geometry or 3 triangles' www.flickr.com/photos/57949897@N00/414859701

Transcript of 10.2 Area of a Triangle

Page 1: 10.2 Area of a Triangle

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10.2 Area of a Triangle

Objective: Find the area of a triangle.Mr. Williams   GESD    [email protected]

Image: 'Orange geometry or 3 triangles'www.flickr.com/photos/57949897@N00/414859701

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Base of a triangle ­ the length of any one of the triangles sides.

Image: 'Staten Island Memorial'www.flickr.com/photos/91273409@N00/2158538468

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 Height of a Triangle ­ perpendicular distance between the side whose length is the base and vertex opposite that side.

Image: 'neon bordered triangle'www.flickr.com/photos/37996577120@N01/161974259

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Image: 'Geodesic Afternoon'www.flickr.com/photos/36543076@N00/196759239

Area = bh2

Base

HeightBase

Height

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Image: 'Geodesic Afternoon'www.flickr.com/photos/36543076@N00/196759239

Area = bh2

10 m

20 m

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Image: 'Geodesic Afternoon'www.flickr.com/photos/36543076@N00/196759239

Area = bh2

10 ft

20 ft

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Image: 'Geodesic Afternoon'www.flickr.com/photos/36543076@N00/196759239

10 m

8 m

3 m

Find the area of the red figure.