How do you know which one is the base and height

[From: ] [author: ] [Date: 11-05-17] [Hit: ]

-12 is base.Area = 12 x 6 = 72 sq.......

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yeah dumb question i know. but im not sure!

12 is base.
Height = ( 8 + 4 ) / 2 = 6
Area = 12 x 6 = 72 sq.ft
Answer

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