All ISEE Upper Level Quantitative Resources
Example Questions
Example Question #91 : Plane Geometry
Which is the greater quantity?
(a) The area of a regular hexagon with sidelength 1
(b) The area of an equilateral triangle with sidelength 2
Possible Answers:
It is impossible to tell from the information given
(b) is greater
(a) is greater
(a) and (b) are equal
Correct answer:
(a) is greater
Explanation:
A regular hexagon with sidelength can be seen as a composite of six equilateral triangles, each with sidelength . Since area is in direct proportion to the square of the sidelength, the area of the equilateral triangle with sidelength is equal to that of four of those triangles. This makes the hexagon greater in area, and it makes (a) the greater quantity.
Ana
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All ISEE Upper Level Quantitative Resources
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