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Below is a drawing of a cross section of the Great Wall of China. The bottom is 26 ft across, the top is 22 ft across and the height is 34 ft. Find the area of the trapezoidal cross section.
Area = 816 sq.ft.
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Asked 8/4/2011 3:36:48 PM
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Which of the following is the equation of a circle with center (4, -1) and radius of 8? A) (x - 4)2 + (y + 1)2 = 64 B) (x + 4)2 + (y - 1)2 = 64 C) (x - 4)2 + (y + 1)2 = 8 D)(x + 4)2 + (y - 1)2 = 8
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Updated 7/21/2014 11:02:50 PM
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The equation of a circle with center (4, -1) and radius of 8 is (x - 4)^2 + (y + 1)^2 = 64.
Added 7/21/2014 11:02:50 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by yumdrea [7/21/2014 11:10:05 PM]
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Asked 8/4/2011 3:16:31 PM
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Asked 8/4/2011 3:53:23 PM
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What is the perimeter of a 3in frame around a 11”x14” (11 inches by 14 inches) photo? Show your work.
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Updated 8/5/2011 3:08:36 AM
5 Answers/Comments
[Deleted]
Added 8/4/2011 5:15:51 PM
perimeter=2edges of[11" + (3"left + 3"right)] + 2edges of[14" + (3"up + 3"down)] perimeter=2edges of[17"]+2edges of[20"] perimeter= 34"+40" perimeter = 74"
Added 8/5/2011 3:08:36 AM
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