What is the perimeter of a rhombus-shaped street sign with a 35-cm side? A. 1,225 cm B. 140 cm C. 280 cm D. 70 cm

Perimeter = 4 x 35 cm Perimeter = 140 cm The answer is B.

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Asked 9/6/2011 2:22:25 PM

Updated 7/10/2012 10:14:30 AM

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Perimeter = 4 x 35 cm

Perimeter = 140 cm

The answer is B.

Perimeter = 140 cm

The answer is B.

Added 7/10/2012 10:14:30 AM

Rated good by kaysha

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Find the area, in square feet, of a triangle whose base is 6.5 inches and whose altitude is 12.9 inches. (Round your answer to the nearest tenth.) A. 9.6 inches B. 81.3 inches C. 40.6 inches D. 19.2 inches

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Updated 10/21/2011 11:24:54 PM

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Added 10/21/2011 10:59:24 PM

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Updated 27 days ago|3/21/2014 10:28:32 PM

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If a triangle has a height of 12 in. and a base of 5 in., what is its area? A. 30 sq. in. B. 90 sq. in. C. 60 sq. in. D. 45 sq. in.

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Updated 27 days ago|3/21/2014 10:30:22 PM

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If a triangle has a height of 12 in. and a base of 5 in., area is 30 sq. in.

A=b*h/2=12*5/2=30

A=b*h/2=12*5/2=30

Added 27 days ago|3/21/2014 10:30:18 PM

The area of a square game board is 144 sq. in. What is the length of one of the sides of the board? A. 12 in. B. 8 in. C. 36 in. D. 72 in.

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Updated 9/8/2011 12:07:29 PM

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If the area of a square game board is 144 sq. in., the length of one of the sides of the board is A. 12 in.

Added 9/8/2011 12:07:30 PM

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Updated 27 days ago|3/21/2014 10:31:49 PM

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A triangle with all sides of equal length is an EQUILATERAL triangle.

Added 27 days ago|3/21/2014 10:31:44 PM