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Mathematics 7 Online
OpenStudy (anonymous):

john is moving up to the attic and wants to paint one wall blue. the wall is a triangle with a base of 21 feet and a height of 8 feet. what is the area of the wall to be painted A. 42 ft B. 62 ft C. 29 ft D. 84 ft

OpenStudy (anonymous):

The answer is 84. Since a triangle is half of a square you have to 1st fine the formula for the area of a base, which is: base x height. So then since a triangle is half of that you do... 21 x 8 = 168 then 168/2 = 84. So in conclusion 84 is ur answer (last choice, D) @lilcece

OpenStudy (anonymous):

thanxs

OpenStudy (anonymous):

no prob! @lilcece

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