Math Problem Solving: Grade 6 Part II

February 26, 2010 · Posted in Math · 6 Comments 

Consider an equilateral triangle below. Two of its sides are known to have long each (2x) and x = 15 cm.

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What is the circumference of the triangle ?

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Math Problem Solving Grade 6

February 26, 2010 · Posted in Math · 1 Comment 

Four isosceles triangle is the same, each side of its base is a square that has a length of 6 cm.

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From the picture above, will set up a pyramid (square pyramid) by connecting each point of the triangle top. If after the formation of a high pyramid paramida note that these are 4 cm. What area of the entire surface (side) of the pyramid ?

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